-3(x-7)=30

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Solution for -3(x-7)=30 equation: 



-3(x-7)=30

We move all terms to the left:

-3(x-7)-(30)=0

We multiply parentheses

-3x+21-30=0

We add all the numbers together, and all the variables

-3x-9=0

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

-3x=9

x=9/-3

x=-3

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