7x+15=5x+12x

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



7x+15=5x+12x

We move all terms to the left:

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

We add all the numbers together, and all the variables

7x-(+17x)+15=0

We get rid of parentheses

7x-17x+15=0

We add all the numbers together, and all the variables

-10x+15=0

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

-10x=-15

x=-15/-10

x=1+1/2

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