-10=10(y-9)

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


Simplifying
-10 = 10(y + -9)

Reorder the terms:
-10 = 10(-9 + y)
-10 = (-9 * 10 + y * 10)
-10 = (-90 + 10y)

Solving
-10 = -90 + 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.
-10 + -10y = -90 + 10y + -10y

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

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

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

Combine like terms: -90 + 10 = -80
-10y = -80

Divide each side by '-10'.
y = 8

Simplifying
y = 8

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