3x-142x+9=90

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Solution for 3x-142x+9=90 equation: 



3x-142x+9=90

We move all terms to the left:

3x-142x+9-(90)=0

We add all the numbers together, and all the variables

-139x-81=0

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

-139x=81

x=81/-139

x=-81/139

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