-9x+21=-68

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Solution for -9x+21=-68 equation: 



-9x+21=-68

We move all terms to the left:

-9x+21-(-68)=0

We add all the numbers together, and all the variables

-9x+89=0

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

-9x=-89

x=-89/-9

x=9+8/9

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