10y+2y=9y-9

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Solution for 10y+2y=9y-9 equation:


Simplifying
10y + 2y = 9y + -9

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

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

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

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

Combine like terms: 9y + -9y = 0
3y = -9 + 0
3y = -9

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

Simplifying
y = -3

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