Question

3 – 7x + 2x when x = 3

Answer 1

so use the PEMDAS (Perenthisys, Exponits, multiply, divide, Add, and subtract)
you will want to take 3-7(3)+2(3)
and solve by doing it in order. So multiplying would come first.

So multiply 7*3 and then 2*3 and put them where the question marks are
and then you would get 3-?+?

Answer 2

3-21+6

Answer 3

yep! So then add 21 +6 and then subtract it from 3

Answer 4

3-?

Answer 5

and then you will have your answer :)

Answer 6

-22

Answer 7

it would be -24 i believe