42+x+2x=162

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Solution for 42+x+2x=162 equation:



42+x+2x=162
We move all terms to the left:
42+x+2x-(162)=0
We add all the numbers together, and all the variables
3x-120=0
We move all terms containing x to the left, all other terms to the right
3x=120
x=120/3
x=40

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