.5(20+x)=20

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Solution for .5(20+x)=20 equation: 



.5(20+x)=20

We move all terms to the left:

.5(20+x)-(20)=0

We add all the numbers together, and all the variables

.5(x+20)-20=0

We multiply parentheses

0.5x+10-20=0

We add all the numbers together, and all the variables

0.5x-10=0

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

0.5x=10

x=10/0.5

x=20

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