20-2u=-20-4u+10

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Solution for 20-2u=-20-4u+10 equation: 



20-2u=-20-4u+10

We move all terms to the left:

20-2u-(-20-4u+10)=0

We add all the numbers together, and all the variables

-2u-(-4u-10)+20=0

We get rid of parentheses

-2u+4u+10+20=0

We add all the numbers together, and all the variables

2u+30=0

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

2u=-30

u=-30/2

u=-15

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