12y-9-2y-9=

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Solution for 12y-9-2y-9= equation:


Simplifying
12y + -9 + -2y + -9 = 0

Reorder the terms:
-9 + -9 + 12y + -2y = 0

Combine like terms: -9 + -9 = -18
-18 + 12y + -2y = 0

Combine like terms: 12y + -2y = 10y
-18 + 10y = 0

Solving
-18 + 10y = 0

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 + 10y = 0 + 18

Combine like terms: -18 + 18 = 0
0 + 10y = 0 + 18
10y = 0 + 18

Combine like terms: 0 + 18 = 18
10y = 18

Divide each side by '10'.
y = 1.8

Simplifying
y = 1.8

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