Y-2/3x-1/3x=21

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Solution for Y-2/3x-1/3x=21 equation:



-2/3Y-1/3Y=21
We move all terms to the left:
-2/3Y-1/3Y-(21)=0
Domain of the equation: 3Y!=0
Y!=0/3
Y!=0
Y∈R
We multiply all the terms by the denominator
-21*3Y-2-1=0
We add all the numbers together, and all the variables
-21*3Y-3=0
Wy multiply elements
-63Y-3=0
We move all terms containing Y to the left, all other terms to the right
-63Y=3
Y=3/-63
Y=-1/21

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