120+3x=135

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Solution for 120+3x=135 equation:



120+3x=135
We move all terms to the left:
120+3x-(135)=0
We add all the numbers together, and all the variables
3x-15=0
We move all terms containing x to the left, all other terms to the right
3x=15
x=15/3
x=5

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