x+20=4x-30

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Solution for x+20=4x-30 equation: 



x+20=4x-30

We move all terms to the left:

x+20-(4x-30)=0

We get rid of parentheses

x-4x+30+20=0

We add all the numbers together, and all the variables

-3x+50=0

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

-3x=-50

x=-50/-3

x=16+2/3

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