-6x+21x-42=-177

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Solution for -6x+21x-42=-177 equation: 



-6x+21x-42=-177

We move all terms to the left:

-6x+21x-42-(-177)=0

We add all the numbers together, and all the variables

15x+135=0

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

15x=-135

x=-135/15

x=-9

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