-7(x=1)-17=21+4

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Solution for -7(x=1)-17=21+4 equation: 



-7(x=1)-17=21+4

We move all terms to the left:

-7(x-(1)-17)=0

We add all the numbers together, and all the variables

-7(x-18)=0

We multiply parentheses

-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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