10-y=9y-8

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


Simplifying
10 + -1y = 9y + -8

Reorder the terms:
10 + -1y = -8 + 9y

Solving
10 + -1y = -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.
10 + -1y + -9y = -8 + 9y + -9y

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

Combine like terms: 9y + -9y = 0
10 + -10y = -8 + 0
10 + -10y = -8

Add '-10' to each side of the equation.
10 + -10 + -10y = -8 + -10

Combine like terms: 10 + -10 = 0
0 + -10y = -8 + -10
-10y = -8 + -10

Combine like terms: -8 + -10 = -18
-10y = -18

Divide each side by '-10'.
y = 1.8

Simplifying
y = 1.8

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