x+8+9=2x+8

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Solution for x+8+9=2x+8 equation: 



x+8+9=2x+8

We move all terms to the left:

x+8+9-(2x+8)=0

We add all the numbers together, and all the variables

x-(2x+8)+17=0

We get rid of parentheses

x-2x-8+17=0

We add all the numbers together, and all the variables

-1x+9=0

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

-x=-9

x=-9/-1

x=+9

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