4(2x+7)-(8x+7)=21

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Solution for 4(2x+7)-(8x+7)=21 equation: 



4(2x+7)-(8x+7)=21

We move all terms to the left:

4(2x+7)-(8x+7)-(21)=0

We multiply parentheses

8x-(8x+7)+28-21=0

We get rid of parentheses

8x-8x-7+28-21=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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