20-5x=-55

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Solution for 20-5x=-55 equation: 



20-5x=-55

We move all terms to the left:

20-5x-(-55)=0

We add all the numbers together, and all the variables

-5x+75=0

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

-5x=-75

x=-75/-5

x=+15

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