3x-4x=121

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Solution for 3x-4x=121 equation: 



3x-4x=121

We move all terms to the left:

3x-4x-(121)=0

We add all the numbers together, and all the variables

-1x-121=0

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

-x=121

x=121/-1

x=-121

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