12y-5=10y-9

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Solution for 12y-5=10y-9 equation:


Simplifying
12y + -5 = 10y + -9

Reorder the terms:
-5 + 12y = 10y + -9

Reorder the terms:
-5 + 12y = -9 + 10y

Solving
-5 + 12y = -9 + 10y

Solving for variable 'y'.

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

Add '-10y' to each side of the equation.
-5 + 12y + -10y = -9 + 10y + -10y

Combine like terms: 12y + -10y = 2y
-5 + 2y = -9 + 10y + -10y

Combine like terms: 10y + -10y = 0
-5 + 2y = -9 + 0
-5 + 2y = -9

Add '5' to each side of the equation.
-5 + 5 + 2y = -9 + 5

Combine like terms: -5 + 5 = 0
0 + 2y = -9 + 5
2y = -9 + 5

Combine like terms: -9 + 5 = -4
2y = -4

Divide each side by '2'.
y = -2

Simplifying
y = -2

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