(3*x)+x=100

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Solution for (3*x)+x=100 equation:



(3x)+x=100
We move all terms to the left:
(3x)+x-(100)=0
We add all the numbers together, and all the variables
4x-100=0
We move all terms containing x to the left, all other terms to the right
4x=100
x=100/4
x=25

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