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2/7y+5=-7
We move all terms to the left:
2/7y+5-(-7)=0
Domain of the equation: 7y!=0We add all the numbers together, and all the variables
y!=0/7
y!=0
y∈R
2/7y+12=0
We multiply all the terms by the denominator
12*7y+2=0
Wy multiply elements
84y+2=0
We move all terms containing y to the left, all other terms to the right
84y=-2
y=-2/84
y=-1/42
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