12x+9-40=10x+68

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Solution for 12x+9-40=10x+68 equation: 



12x+9-40=10x+68

We move all terms to the left:

12x+9-40-(10x+68)=0

We add all the numbers together, and all the variables

12x-(10x+68)-31=0

We get rid of parentheses

12x-10x-68-31=0

We add all the numbers together, and all the variables

2x-99=0

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

2x=99

x=99/2

x=49+1/2

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