18=7y-y

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Solution for 18=7y-y equation:


Simplifying
18 = 7y + -1y

Combine like terms: 7y + -1y = 6y
18 = 6y

Solving
18 = 6y

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-6y' to each side of the equation.
18 + -6y = 6y + -6y

Combine like terms: 6y + -6y = 0
18 + -6y = 0

Add '-18' to each side of the equation.
18 + -18 + -6y = 0 + -18

Combine like terms: 18 + -18 = 0
0 + -6y = 0 + -18
-6y = 0 + -18

Combine like terms: 0 + -18 = -18
-6y = -18

Divide each side by '-6'.
y = 3

Simplifying
y = 3

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