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

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



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

We move all terms to the left:

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

We multiply parentheses

6x-(-4x+21)-9=0

We get rid of parentheses

6x+4x-21-9=0

We add all the numbers together, and all the variables

10x-30=0

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

10x=30

x=30/10

x=3

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