3(x+2)-4(3-x)=21

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Solution for 3(x+2)-4(3-x)=21 equation: 



3(x+2)-4(3-x)=21

We move all terms to the left:

3(x+2)-4(3-x)-(21)=0

We add all the numbers together, and all the variables

3(x+2)-4(-1x+3)-21=0

We multiply parentheses

3x+4x+6-12-21=0

We add all the numbers together, and all the variables

7x-27=0

We move all terms containing x to the left, all other terms to the right

7x=27

x=27/7

x=3+6/7

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