X-20=20+x/2

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Solution for X-20=20+x/2 equation: 



X-20=20+X/2

We move all terms to the left:

X-20-(20+X/2)=0

We add all the numbers together, and all the variables

X-(X/2+20)-20=0

We get rid of parentheses

X-X/2-20-20=0

We multiply all the terms by the denominator


X*2-X-20*2-20*2=0

We add all the numbers together, and all the variables

-1X+X*2-80=0

Wy multiply elements

-1X+2X-80=0

We add all the numbers together, and all the variables

X-80=0

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

X=80

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