-7(x-15)=-21

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Solution for -7(x-15)=-21 equation: 



-7(x-15)=-21

We move all terms to the left:

-7(x-15)-(-21)=0

We add all the numbers together, and all the variables

-7(x-15)+21=0

We multiply parentheses

-7x+105+21=0

We add all the numbers together, and all the variables

-7x+126=0

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

-7x=-126

x=-126/-7

x=+18

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