X=2(n+9)-5

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Solution for X=2(n+9)-5 equation:



X=2(X+9)-5
We move all terms to the left:
X-(2(X+9)-5)=0
We calculate terms in parentheses: -(2(X+9)-5), so:
2(X+9)-5
We multiply parentheses
2X+18-5
We add all the numbers together, and all the variables
2X+13
Back to the equation:
-(2X+13)
We get rid of parentheses
X-2X-13=0
We add all the numbers together, and all the variables
-1X-13=0
We move all terms containing X to the left, all other terms to the right
-X=13
X=13/-1
X=-13

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