20+2x=5-x+7

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Solution for 20+2x=5-x+7 equation: 



20+2x=5-x+7

We move all terms to the left:

20+2x-(5-x+7)=0

We add all the numbers together, and all the variables

2x-(-1x+12)+20=0

We get rid of parentheses

2x+1x-12+20=0

We add all the numbers together, and all the variables

3x+8=0

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

3x=-8

x=-8/3

x=-2+2/3

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