7x+20=-5x+56

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Solution for 7x+20=-5x+56 equation: 



7x+20=-5x+56

We move all terms to the left:

7x+20-(-5x+56)=0

We get rid of parentheses

7x+5x-56+20=0

We add all the numbers together, and all the variables

12x-36=0

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

12x=36

x=36/12

x=3

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