2x+5x+7=12x+15

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Solution for 2x+5x+7=12x+15 equation: 



2x+5x+7=12x+15

We move all terms to the left:

2x+5x+7-(12x+15)=0

We add all the numbers together, and all the variables

7x-(12x+15)+7=0

We get rid of parentheses

7x-12x-15+7=0

We add all the numbers together, and all the variables

-5x-8=0

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

-5x=8

x=8/-5

x=-1+3/5

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