(-9)-10y=-90

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Solution for (-9)-10y=-90 equation: 


Simplifying
(-9) + -10y = -90
-9 + -10y = -90

Solving
-9 + -10y = -90

Solving for variable 'y'.

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

Add '9' to each side of the equation.
-9 + 9 + -10y = -90 + 9

Combine like terms: -9 + 9 = 0
0 + -10y = -90 + 9
-10y = -90 + 9

Combine like terms: -90 + 9 = -81
-10y = -81

Divide each side by '-10'.
y = 8.1

Simplifying
y = 8.1

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