3x+8=20+x

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Solution for 3x+8=20+x equation: 



3x+8=20+x

We move all terms to the left:

3x+8-(20+x)=0

We add all the numbers together, and all the variables

3x-(x+20)+8=0

We get rid of parentheses

3x-x-20+8=0

We add all the numbers together, and all the variables

2x-12=0

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

2x=12

x=12/2

x=6

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