jlongSwag27
Use the distributive property to simplify the expression below:
3x - 21 divided by 3
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jlongSwag27
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The Answer choices are
A.3x − 7
B. x − 21
C. x − 7
D. x + 7
zordoloom
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What is 3 divide by 3? and what is 21 divided by 3?
jlongSwag27
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1 and 7
minnie123
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You just DISTRIBUTE the 3 to every thing... first the 3... 3 divided by 3 then by 21 which should give yu which letter...
sarahashley
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its 3x_7
sarahashley
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3x-7
minnie123
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1 = the x so your answer is c
jlongSwag27
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C or A
minnie123
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c
sarahashley
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c
jlongSwag27
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Okay thank you both for your help
sarahashley
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np
minnie123
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anytime :)
jlongSwag27
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Can you guys help me with another one??
sarahashley
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ok here i have a question afterward
jlongSwag27
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What?
sarahashley
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nevermind that one
jlongSwag27
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Use the distributive property to simplify the expression below:
-5x + 20 Divided by -5
minnie123
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same like the one above -5 divided by -5 is 1 or x... -5 divided by 20 is -4 so x-4 should be the answer
jlongSwag27
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thanks
minnie123
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ur welcome :)
jlongSwag27
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It asks me to Simplify the following expression.
2x − 2y + 3z − 2x − y + 2z = ?
A) 4x − 3y + 5z
B) −2y − 3y + 5z
C) −2x − 3y + 6z
D)−3y + 5z
How would i do this??
sarahashley
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the answer is A
jlongSwag27
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Okay but i just wanna know how i would find A to be the correct answer. What are the steps , the like terms??
sarahashley
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cz u do the like terms cz 2x times 2x is 4 and so on>>>
minnie123
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damn where you come from like let a chick have a chance @sarahashley .... but i guess thats right what she said all the like terms or all the ones that have the same letter behind them you combine
sarahashley
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2x times 2x is 4x and 2y minus y is -3y and then 3z plus 2z is 5z
jlongSwag27
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Haha :) thank you both so much i am loving all the help, im good a t math but sometimes i suck.
sarahashley
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yeah
minnie123
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i totally understand
jlongSwag27
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Use the distributive property to simplify the expression below:
t − 5(3 + t)
A) −4t + 15
B) −5t − 2
C) −5t − 15
D) −4t − 15
zordoloom
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It would be d. Just multiply 3 by 5 and 5 by 5. Dont forget the negative
zordoloom
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*5 by t
sarahashley
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its a -4t+15
jlongSwag27
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Okay
sarahashley
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the answer is A tho
jlongSwag27
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Wait im confused so A or D??
sarahashley
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A
jlongSwag27
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are u sure??