(10-y)(-9)=

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


Simplifying
(10 + -1y)(-9) = 0

Reorder the terms for easier multiplication:
-9(10 + -1y) = 0
(10 * -9 + -1y * -9) = 0
(-90 + 9y) = 0

Solving
-90 + 9y = 0

Solving for variable 'y'.

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

Add '90' to each side of the equation.
-90 + 90 + 9y = 0 + 90

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

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

Divide each side by '9'.
y = 10

Simplifying
y = 10

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