20x+40=30x-10

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Solution for 20x+40=30x-10 equation: 



20x+40=30x-10

We move all terms to the left:

20x+40-(30x-10)=0

We get rid of parentheses

20x-30x+10+40=0

We add all the numbers together, and all the variables

-10x+50=0

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

-10x=-50

x=-50/-10

x=+5

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