Question

4a+7b+3a-2b+2a ;

a = -5, b = 3

I got 5?? Help :c

Answer 1

4a +7b +3a -2b +2a

= 4(-5) +7(3) +3(-5) -2(3)+2(-5) =

Answer 2

regroup
substitute
simplify

Answer 3

so just punch this all in to your calculator

Answer 4

I got -30 , which is one of my answer choices!! yay thank you so much(:

Answer 5

No problem :)

Answer 6

(4 + 3 + 2)*(-5) + (7-2)*3 = 9*-5 + 5*3 = -45 + 15 = -30

Answer 7

can you help with one more? ill post it and tag you
@Jhannybean

Answer 8

sure