X+6x-9=40

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Solution for X+6x-9=40 equation: 



X+6X-9=40

We move all terms to the left:

X+6X-9-(40)=0

We add all the numbers together, and all the variables

7X-49=0

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

7X=49

X=49/7

X=7

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