10X+y=2(10y+X)-9

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Solution for 10X+y=2(10y+X)-9 equation:



10X+X=2(10X+X)-9
We move all terms to the left:
10X+X-(2(10X+X)-9)=0
We add all the numbers together, and all the variables
10X+X-(2(+11X)-9)=0
We add all the numbers together, and all the variables
11X-(2(+11X)-9)=0
We calculate terms in parentheses: -(2(+11X)-9), so:
2(+11X)-9
We multiply parentheses
22X-9
Back to the equation:
-(22X-9)
We get rid of parentheses
11X-22X+9=0
We add all the numbers together, and all the variables
-11X+9=0
We move all terms containing X to the left, all other terms to the right
-11X=-9
X=-9/-11
X=9/11

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