-77+5x+4x=121

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Solution for -77+5x+4x=121 equation: 



-77+5x+4x=121

We move all terms to the left:

-77+5x+4x-(121)=0

We add all the numbers together, and all the variables

9x-198=0

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

9x=198

x=198/9

x=22

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