10y-12=9y-8

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Solution for 10y-12=9y-8 equation:


Simplifying
10y + -12 = 9y + -8

Reorder the terms:
-12 + 10y = 9y + -8

Reorder the terms:
-12 + 10y = -8 + 9y

Solving
-12 + 10y = -8 + 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.
-12 + 10y + -9y = -8 + 9y + -9y

Combine like terms: 10y + -9y = 1y
-12 + 1y = -8 + 9y + -9y

Combine like terms: 9y + -9y = 0
-12 + 1y = -8 + 0
-12 + 1y = -8

Add '12' to each side of the equation.
-12 + 12 + 1y = -8 + 12

Combine like terms: -12 + 12 = 0
0 + 1y = -8 + 12
1y = -8 + 12

Combine like terms: -8 + 12 = 4
1y = 4

Divide each side by '1'.
y = 4

Simplifying
y = 4

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