7x+23-x=2x=20

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Solution for 7x+23-x=2x=20 equation: 



7x+23-x=2x=20

We move all terms to the left:

7x+23-x-(2x)=0

We add all the numbers together, and all the variables

4x+23=0

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

4x=-23

x=-23/4

x=-5+3/4

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