7x+20=4x+8

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



7x+20=4x+8

We move all terms to the left:

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

We get rid of parentheses

7x-4x-8+20=0

We add all the numbers together, and all the variables

3x+12=0

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

3x=-12

x=-12/3

x=-4

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