15-2x=20-7x

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Solution for 15-2x=20-7x equation: 



15-2x=20-7x

We move all terms to the left:

15-2x-(20-7x)=0

We add all the numbers together, and all the variables

-2x-(-7x+20)+15=0

We get rid of parentheses

-2x+7x-20+15=0

We add all the numbers together, and all the variables

5x-5=0

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

5x=5

x=5/5

x=1

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