-3(5+x)=75

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Solution for -3(5+x)=75 equation: 



-3(5+x)=75

We move all terms to the left:

-3(5+x)-(75)=0

We add all the numbers together, and all the variables

-3(x+5)-75=0

We multiply parentheses

-3x-15-75=0

We add all the numbers together, and all the variables

-3x-90=0

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

-3x=90

x=90/-3

x=-30

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