(0.9Xy)-1=1.7

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Solution for (0.9Xy)-1=1.7 equation:



(0.9XX)-1=1.7
We move all terms to the left:
(0.9XX)-1-(1.7)=0
We add all the numbers together, and all the variables
(+0.9XX)-1-(1.7)=0
We add all the numbers together, and all the variables
(+0.9XX)-2.7=0
We get rid of parentheses
0.9XX-2.7=0
We move all terms containing X to the left, all other terms to the right
0.9XX=2.7
X=2.7/1
X=2.7

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