3-7x-9=50

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Solution for 3-7x-9=50 equation: 



3-7x-9=50

We move all terms to the left:

3-7x-9-(50)=0

We add all the numbers together, and all the variables

-7x-56=0

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

-7x=56

x=56/-7

x=-8

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