-4x+21=117

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Solution for -4x+21=117 equation: 



-4x+21=117

We move all terms to the left:

-4x+21-(117)=0

We add all the numbers together, and all the variables

-4x-96=0

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

-4x=96

x=96/-4

x=-24

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