x+15+3x=75

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Solution for x+15+3x=75 equation:



x+15+3x=75
We move all terms to the left:
x+15+3x-(75)=0
We add all the numbers together, and all the variables
4x-60=0
We move all terms containing x to the left, all other terms to the right
4x=60
x=60/4
x=15

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