9y-18=3y-12y

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Solution for 9y-18=3y-12y equation:


Simplifying
9y + -18 = 3y + -12y

Reorder the terms:
-18 + 9y = 3y + -12y

Combine like terms: 3y + -12y = -9y
-18 + 9y = -9y

Solving
-18 + 9y = -9y

Solving for variable 'y'.

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

Add '9y' to each side of the equation.
-18 + 9y + 9y = -9y + 9y

Combine like terms: 9y + 9y = 18y
-18 + 18y = -9y + 9y

Combine like terms: -9y + 9y = 0
-18 + 18y = 0

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

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

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

Divide each side by '18'.
y = 1

Simplifying
y = 1

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