9y-9(10+4y)=45

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Solution for 9y-9(10+4y)=45 equation:


Simplifying
9y + -9(10 + 4y) = 45
9y + (10 * -9 + 4y * -9) = 45
9y + (-90 + -36y) = 45

Reorder the terms:
-90 + 9y + -36y = 45

Combine like terms: 9y + -36y = -27y
-90 + -27y = 45

Solving
-90 + -27y = 45

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 + -27y = 45 + 90

Combine like terms: -90 + 90 = 0
0 + -27y = 45 + 90
-27y = 45 + 90

Combine like terms: 45 + 90 = 135
-27y = 135

Divide each side by '-27'.
y = -5

Simplifying
y = -5

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