7x=15x-20

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Solution for 7x=15x-20 equation: 



7x=15x-20

We move all terms to the left:

7x-(15x-20)=0

We get rid of parentheses

7x-15x+20=0

We add all the numbers together, and all the variables

-8x+20=0

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

-8x=-20

x=-20/-8

x=2+1/2

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