20=3x+15

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Solution for 20=3x+15 equation: 



20=3x+15

We move all terms to the left:

20-(3x+15)=0

We get rid of parentheses

-3x-15+20=0

We add all the numbers together, and all the variables

-3x+5=0

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

-3x=-5

x=-5/-3

x=1+2/3

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