anonymous
  • anonymous
Evaluate the expression, using the given value of the variable. 3 – 7x + 2x when x = 3 A. –30 B. –12 C. –18 D. –24
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
it is going to look like this right: 3 - 7 * 3 + 2 * 3
anonymous
  • anonymous
i think so... idk my math grades went down hill after 5th grade so i have no idea
anonymous
  • anonymous
what grade r u in?

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anonymous
  • anonymous
7th...
anonymous
  • anonymous
i am in 7th grade and math is my best subject...
anonymous
  • anonymous
oh COOL!!
anonymous
  • anonymous
Im a nerd in ALL other classes tho its just when the alphabet became a grade i paniced
anonymous
  • anonymous
try evaluating what i told u just TRY
anonymous
  • anonymous
I just need the answer tho
anonymous
  • anonymous
hmm
anonymous
  • anonymous
ohh dont worry u will get better trust me.. just like me in 4th grade i was always getting f and d's i promise..
anonymous
  • anonymous
just try
anonymous
  • anonymous
umm 15
anonymous
  • anonymous
I HAVE NO CLEAR IDEA MY MIND IS FOGGED
anonymous
  • anonymous
let me try it..
anonymous
  • anonymous
remember PEMDAS
anonymous
  • anonymous
sorry caps
anonymous
  • anonymous
follow that order
anonymous
  • anonymous
what on this great planet is that?
anonymous
  • anonymous
P Parentheses first E Exponents (ie Powers and Square Roots, etc.) MD Multiplication and Division (left-to-right) AS Addition and Subtraction (left-to-right) WOAH U NEVER LEARNED IT WOW!!
anonymous
  • anonymous
i WAS smart in gt to its math kicks me un the hind end...
anonymous
  • anonymous
3-7(3)+2(3) PEMDAS -7 x 3 = -21 3-21+2(3) 2 x 3 = 6 3-21+6 = -12 Your answer is B
anonymous
  • anonymous
yup u r correct bc a negative * a Positive is A Negative
anonymous
  • anonymous
thank you soo much
anonymous
  • anonymous
sorry got mad...
anonymous
  • anonymous
what?
anonymous
  • anonymous
ok
anonymous
  • anonymous
pig presedent i have no idea what u said about please excuse my dear aunt sally
anonymous
  • anonymous
Evaluate the expression, using the given value of the variable. z ÷ 2 – 4z + 3(z – 3) when z = 8 A. –17 B. –13 C. –7 D. –1 this one :D
anonymous
  • anonymous
just look at this site http://www.mathsisfun.com/operation-order-pemdas.html
anonymous
  • anonymous
i cant other sights are blocked.
anonymous
  • anonymous
oh like me too...my parents r like that
anonymous
  • anonymous
but this is school related
anonymous
  • anonymous
cant mom doesnt want me 2
anonymous
  • anonymous
ok

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