-7(5-2x)=21

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Solution for -7(5-2x)=21 equation: 



-7(5-2x)=21

We move all terms to the left:

-7(5-2x)-(21)=0

We add all the numbers together, and all the variables

-7(-2x+5)-21=0

We multiply parentheses

14x-35-21=0

We add all the numbers together, and all the variables

14x-56=0

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

14x=56

x=56/14

x=4

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