4x+7+8x=9

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Solution for 4x+7+8x=9 equation: 



4x+7+8x=9

We move all terms to the left:

4x+7+8x-(9)=0

We add all the numbers together, and all the variables

12x-2=0

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

12x=2

x=2/12

x=1/6

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