4x-20=2x-30

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Solution for 4x-20=2x-30 equation: 



4x-20=2x-30

We move all terms to the left:

4x-20-(2x-30)=0

We get rid of parentheses

4x-2x+30-20=0

We add all the numbers together, and all the variables

2x+10=0

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

2x=-10

x=-10/2

x=-5

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