-7(x-17)=-21

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Solution for -7(x-17)=-21 equation: 



-7(x-17)=-21

We move all terms to the left:

-7(x-17)-(-21)=0

We add all the numbers together, and all the variables

-7(x-17)+21=0

We multiply parentheses

-7x+119+21=0

We add all the numbers together, and all the variables

-7x+140=0

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

-7x=-140

x=-140/-7

x=+20

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