2x+3x+4x=12.5

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Solution for 2x+3x+4x=12.5 equation: 



2x+3x+4x=12.5

We move all terms to the left:

2x+3x+4x-(12.5)=0

We add all the numbers together, and all the variables

9x-12.5=0

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

9x=12.5

x=12.5/9

x=1+1/2.5714285714286

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