X+x/2+(x-10)=490

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Solution for X+x/2+(x-10)=490 equation:



X+X/2+(X-10)=490
We move all terms to the left:
X+X/2+(X-10)-(490)=0
We get rid of parentheses
X+X/2+X-10-490=0
We multiply all the terms by the denominator
X*2+X+X*2-10*2-490*2=0
We add all the numbers together, and all the variables
X+X*2+X*2-1000=0
Wy multiply elements
X+2X+2X-1000=0
We add all the numbers together, and all the variables
5X-1000=0
We move all terms containing X to the left, all other terms to the right
5X=1000
X=1000/5
X=200

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