20x-11x=-7

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Solution for 20x-11x=-7 equation: 



20x-11x=-7

We move all terms to the left:

20x-11x-(-7)=0

We add all the numbers together, and all the variables

9x+7=0

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

9x=-7

x=-7/9

x=-7/9

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