3-9x=120

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Solution for 3-9x=120 equation: 



3-9x=120

We move all terms to the left:

3-9x-(120)=0

We add all the numbers together, and all the variables

-9x-117=0

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

-9x=117

x=117/-9

x=-13

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