-3(1-7x)=-150

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Solution for -3(1-7x)=-150 equation: 



-3(1-7x)=-150

We move all terms to the left:

-3(1-7x)-(-150)=0

We add all the numbers together, and all the variables

-3(-7x+1)-(-150)=0

We add all the numbers together, and all the variables

-3(-7x+1)+150=0

We multiply parentheses

21x-3+150=0

We add all the numbers together, and all the variables

21x+147=0

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

21x=-147

x=-147/21

x=-7

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