-3(7x+10)=75

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Solution for -3(7x+10)=75 equation: 



-3(7x+10)=75

We move all terms to the left:

-3(7x+10)-(75)=0

We multiply parentheses

-21x-30-75=0

We add all the numbers together, and all the variables

-21x-105=0

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

-21x=105

x=105/-21

x=-5

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