-3(7x-5)=90

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Solution for -3(7x-5)=90 equation: 



-3(7x-5)=90

We move all terms to the left:

-3(7x-5)-(90)=0

We multiply parentheses

-21x+15-90=0

We add all the numbers together, and all the variables

-21x-75=0

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

-21x=75

x=75/-21

x=-3+4/7

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