x+3x=54

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Solution for x+3x=54 equation: 



x+3x=54

We move all terms to the left:

x+3x-(54)=0

We add all the numbers together, and all the variables

4x-54=0

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

4x=54

x=54/4

x=13+1/2

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