-7/4y=-21

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Solution for -7/4y=-21 equation:



-7/4y=-21
We move all terms to the left:
-7/4y-(-21)=0
Domain of the equation: 4y!=0
y!=0/4
y!=0
y∈R
We add all the numbers together, and all the variables
-7/4y+21=0
We multiply all the terms by the denominator
21*4y-7=0
Wy multiply elements
84y-7=0
We move all terms containing y to the left, all other terms to the right
84y=7
y=7/84
y=1/12

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