7x+x-20=-2x+2x+12

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Solution for 7x+x-20=-2x+2x+12 equation: 



7x+x-20=-2x+2x+12

We move all terms to the left:

7x+x-20-(-2x+2x+12)=0

We add all the numbers together, and all the variables

7x+x-20-12=0

We add all the numbers together, and all the variables

8x-32=0

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

8x=32

x=32/8

x=4

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