5x+7x=679

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Solution for 5x+7x=679 equation: 



5x+7x=679

We move all terms to the left:

5x+7x-(679)=0

We add all the numbers together, and all the variables

12x-679=0

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

12x=679

x=679/12

x=56+7/12

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