3(-5x-1)=-78

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Solution for 3(-5x-1)=-78 equation: 



3(-5x-1)=-78

We move all terms to the left:

3(-5x-1)-(-78)=0

We add all the numbers together, and all the variables

3(-5x-1)+78=0

We multiply parentheses

-15x-3+78=0

We add all the numbers together, and all the variables

-15x+75=0

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

-15x=-75

x=-75/-15

x=+5

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