12x=20+8x

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Solution for 12x=20+8x equation: 



12x=20+8x

We move all terms to the left:

12x-(20+8x)=0

We add all the numbers together, and all the variables

12x-(8x+20)=0

We get rid of parentheses

12x-8x-20=0

We add all the numbers together, and all the variables

4x-20=0

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

4x=20

x=20/4

x=5

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