7x-4=-5x+20

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Solution for 7x-4=-5x+20 equation: 



7x-4=-5x+20

We move all terms to the left:

7x-4-(-5x+20)=0

We get rid of parentheses

7x+5x-20-4=0

We add all the numbers together, and all the variables

12x-24=0

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

12x=24

x=24/12

x=2

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