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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

4x-3x+6-21=0

We add all the numbers together, and all the variables

x-15=0

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

x=15

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