1/9y=-1

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Solution for 1/9y=-1 equation:



1/9y=-1
We move all terms to the left:
1/9y-(-1)=0
Domain of the equation: 9y!=0
y!=0/9
y!=0
y∈R
We add all the numbers together, and all the variables
1/9y+1=0
We multiply all the terms by the denominator
1*9y+1=0
Wy multiply elements
9y+1=0
We move all terms containing y to the left, all other terms to the right
9y=-1
y=-1/9
y=-1/9

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