9(y-9)=5y-45

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Solution for 9(y-9)=5y-45 equation:


Simplifying
9(y + -9) = 5y + -45

Reorder the terms:
9(-9 + y) = 5y + -45
(-9 * 9 + y * 9) = 5y + -45
(-81 + 9y) = 5y + -45

Reorder the terms:
-81 + 9y = -45 + 5y

Solving
-81 + 9y = -45 + 5y

Solving for variable 'y'.

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

Add '-5y' to each side of the equation.
-81 + 9y + -5y = -45 + 5y + -5y

Combine like terms: 9y + -5y = 4y
-81 + 4y = -45 + 5y + -5y

Combine like terms: 5y + -5y = 0
-81 + 4y = -45 + 0
-81 + 4y = -45

Add '81' to each side of the equation.
-81 + 81 + 4y = -45 + 81

Combine like terms: -81 + 81 = 0
0 + 4y = -45 + 81
4y = -45 + 81

Combine like terms: -45 + 81 = 36
4y = 36

Divide each side by '4'.
y = 9

Simplifying
y = 9

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