7/y+2/y=-45

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Solution for 7/y+2/y=-45 equation: 



7/y+2/y=-45

We move all terms to the left:

7/y+2/y-(-45)=0



Domain of the equation: y!=0

y∈R



We add all the numbers together, and all the variables

7/y+2/y+45=0

We multiply all the terms by the denominator


45*y+7+2=0

We add all the numbers together, and all the variables

45y+9=0

We move all terms containing y to the left, all other terms to the right

45y=-9

y=-9/45

y=-1/5

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