-4(x-7)-7=21

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



-4(x-7)-7=21

We move all terms to the left:

-4(x-7)-7-(21)=0

We add all the numbers together, and all the variables

-4(x-7)-28=0

We multiply parentheses

-4x+28-28=0

We add all the numbers together, and all the variables

-4x=0

x=0/-4

x=0

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