-4(x-7)-3x=21

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Solution for -4(x-7)-3x=21 equation: 



-4(x-7)-3x=21

We move all terms to the left:

-4(x-7)-3x-(21)=0

We add all the numbers together, and all the variables

-3x-4(x-7)-21=0

We multiply parentheses

-3x-4x+28-21=0

We add all the numbers together, and all the variables

-7x+7=0

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

-7x=-7

x=-7/-7

x=1

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