4x-2(5x-3)=21

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Solution for 4x-2(5x-3)=21 equation: 



4x-2(5x-3)=21

We move all terms to the left:

4x-2(5x-3)-(21)=0

We multiply parentheses

4x-10x+6-21=0

We add all the numbers together, and all the variables

-6x-15=0

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

-6x=15

x=15/-6

x=-2+1/2

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