(20=7y+2-y)

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Solution for (20=7y+2-y) equation:



(20=7y+2-y)
We move all terms to the left:
(20-(7y+2-y))=0
We add all the numbers together, and all the variables
(20-(6y+2))=0
We calculate terms in parentheses: +(20-(6y+2)), so:
20-(6y+2)
determiningTheFunctionDomain -(6y+2)+20
We get rid of parentheses
-6y-2+20
We add all the numbers together, and all the variables
-6y+18
Back to the equation:
+(-6y+18)
We get rid of parentheses
-6y+18=0
We move all terms containing y to the left, all other terms to the right
-6y=-18
y=-18/-6
y=+3

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