3x-11+8x-42=90

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Solution for 3x-11+8x-42=90 equation: 



3x-11+8x-42=90

We move all terms to the left:

3x-11+8x-42-(90)=0

We add all the numbers together, and all the variables

11x-143=0

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

11x=143

x=143/11

x=13

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