x+3x=12,24

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Solution for x+3x=12,24 equation: 



x+3x=12.24

We move all terms to the left:

x+3x-(12.24)=0

We add all the numbers together, and all the variables

4x-12.24=0

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

4x=12.24

x=12.24/4

x=3+0.24/4

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