3x-4+8x=40

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Solution for 3x-4+8x=40 equation: 



3x-4+8x=40

We move all terms to the left:

3x-4+8x-(40)=0

We add all the numbers together, and all the variables

11x-44=0

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

11x=44

x=44/11

x=4

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