18y-18=-72

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Solution for 18y-18=-72 equation: 


Simplifying
18y + -18 = -72

Reorder the terms:
-18 + 18y = -72

Solving
-18 + 18y = -72

Solving for variable 'y'.

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

Add '18' to each side of the equation.
-18 + 18 + 18y = -72 + 18

Combine like terms: -18 + 18 = 0
0 + 18y = -72 + 18
18y = -72 + 18

Combine like terms: -72 + 18 = -54
18y = -54

Divide each side by '18'.
y = -3

Simplifying
y = -3

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