600+x=2(100+x)

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Solution for 600+x=2(100+x) equation:



600+x=2(100+x)
We move all terms to the left:
600+x-(2(100+x))=0
We add all the numbers together, and all the variables
x-(2(x+100))+600=0
We calculate terms in parentheses: -(2(x+100)), so:
2(x+100)
We multiply parentheses
2x+200
Back to the equation:
-(2x+200)
We get rid of parentheses
x-2x-200+600=0
We add all the numbers together, and all the variables
-1x+400=0
We move all terms containing x to the left, all other terms to the right
-x=-400
x=-400/-1
x=+400

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