-2x+4(5x-21)=-12

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Solution for -2x+4(5x-21)=-12 equation: 



-2x+4(5x-21)=-12

We move all terms to the left:

-2x+4(5x-21)-(-12)=0

We add all the numbers together, and all the variables

-2x+4(5x-21)+12=0

We multiply parentheses

-2x+20x-84+12=0

We add all the numbers together, and all the variables

18x-72=0

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

18x=72

x=72/18

x=4

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