X/2+x/2=20

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



X/2+X/2=20

We move all terms to the left:

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

We multiply all the terms by the denominator


X+X-20*2=0

We add all the numbers together, and all the variables

2X-40=0

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

2X=40

X=40/2

X=20

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