x+4x+3x=142

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Solution for x+4x+3x=142 equation: 



x+4x+3x=142

We move all terms to the left:

x+4x+3x-(142)=0

We add all the numbers together, and all the variables

8x-142=0

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

8x=142

x=142/8

x=17+3/4

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