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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

4x-2(-1x+4)-24=0

We multiply parentheses

4x+2x-8-24=0

We add all the numbers together, and all the variables

6x-32=0

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

6x=32

x=32/6

x=5+1/3

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