allibear2012
11 year old in need of help!!!!!!! Very easy!!!!!!!!!!!!!
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AravindG
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what help you need 11 year old ? :P
allibear2012
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Question 1 (Essay Worth 6 points)
Write an equation that you could solve using these steps:
Add 7 to both sides. Then, divide both sides by 4.
Explain how you know your answer is right.
AravindG
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ok lets do it in reverse order
let x be the variable
allibear2012
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ok
AravindG
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they say divide by 4 , so reverse i multiplication
so multiply x by 4
allibear2012
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X*4 divided by 7
but how do you know what x is?
allibear2012
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?
blurbendy
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4x - 7 = 21
4x = 28
x = 7
substitute 7 into x for the original equation (4(7) -7 = 21) to check your answer.
(Visual of what AravindG is saying).
AravindG
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wait a second..they said add 7 on both sides in question, so we must subtract 7 from both sides!!
allibear2012
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ooooooo
AravindG
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gt it ? @allibear2012 ?
allibear2012
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yes
AravindG
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:) yw