Question

3x + 9+4x = 30

Can some one show me how to write this out in long form?

Answer 1

x=3

Answer 2

7x = 30 - 9
7x = 21
x = 21/7
x = 3

Answer 3

7x -21=0
7x = 21
x = 3

Answer 4

U copied me! >.<

Answer 5

you*

Answer 6

LOL, hell no why would i want to copy you
Everyone would get the same answer
And my answer looks way~ BETTER xD

Answer 7

How did we get 7?

Answer 8

haha, from which angle does that looks good?
u missed a step.

Answer 9

Okay that wat I thought Thanks

Answer 10

well , my ones easier to look at it, I don't need to waste times to do useless steps

Answer 11

3x + 4x = 7x*