10x+3x+15=20x-7

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Solution for 10x+3x+15=20x-7 equation: 



10x+3x+15=20x-7

We move all terms to the left:

10x+3x+15-(20x-7)=0

We add all the numbers together, and all the variables

13x-(20x-7)+15=0

We get rid of parentheses

13x-20x+7+15=0

We add all the numbers together, and all the variables

-7x+22=0

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

-7x=-22

x=-22/-7

x=3+1/7

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