x+12x-225=87

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Solution for x+12x-225=87 equation: 



x+12x-225=87

We move all terms to the left:

x+12x-225-(87)=0

We add all the numbers together, and all the variables

13x-312=0

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

13x=312

x=312/13

x=24

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