15x-30-20x-20=30

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Solution for 15x-30-20x-20=30 equation: 



15x-30-20x-20=30

We move all terms to the left:

15x-30-20x-20-(30)=0

We add all the numbers together, and all the variables

-5x-80=0

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

-5x=80

x=80/-5

x=-16

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