128+8x=117+9x

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Solution for 128+8x=117+9x equation: 



128+8x=117+9x

We move all terms to the left:

128+8x-(117+9x)=0

We add all the numbers together, and all the variables

8x-(9x+117)+128=0

We get rid of parentheses

8x-9x-117+128=0

We add all the numbers together, and all the variables

-1x+11=0

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

-x=-11

x=-11/-1

x=+11

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