7x+4x-4=8x+20

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Solution for 7x+4x-4=8x+20 equation: 



7x+4x-4=8x+20

We move all terms to the left:

7x+4x-4-(8x+20)=0

We add all the numbers together, and all the variables

11x-(8x+20)-4=0

We get rid of parentheses

11x-8x-20-4=0

We add all the numbers together, and all the variables

3x-24=0

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

3x=24

x=24/3

x=8

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