2x-20=4x-30

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



2x-20=4x-30

We move all terms to the left:

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

We get rid of parentheses

2x-4x+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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