-20(3x-7)=-100

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Solution for -20(3x-7)=-100 equation: 



-20(3x-7)=-100

We move all terms to the left:

-20(3x-7)-(-100)=0

We add all the numbers together, and all the variables

-20(3x-7)+100=0

We multiply parentheses

-60x+140+100=0

We add all the numbers together, and all the variables

-60x+240=0

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

-60x=-240

x=-240/-60

x=+4

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