Question

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

Answer 1

@samissmurfette , try to do this one the same way as the last one.

Answer 2

ok. i'll try.

Answer 3

Did you forget a variable somewhere?

Answer 4

( 2a+5) dangt

Answer 5

21=a?

Answer 6

Could you show me your work?

Answer 7

ok.
4=7+3a-4a+10
4+7+10=7a
21=7a
I don't think I did it right. @jackellyn

Answer 8

When you distribute -2(2a+5) it looks like this
-2(2a)+5(-2)
-4a-10

Answer 9

4=7+3a-4a-10
4-7+10=3a-4a
7=-a
a=-7

Answer 10

ok. thank you. its easier whenever I have someone to do it one on one then it is in a class of 30. so it is appreciated @jackellyn

Answer 11

No problem :)