-8y-9=-10y+9

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


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

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

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

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

Combine like terms: -8y + 10y = 2y
-9 + 2y = 9 + -10y + 10y

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

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

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

Combine like terms: 9 + 9 = 18
2y = 18

Divide each side by '2'.
y = 9

Simplifying
y = 9

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