9y-3(y-3)=27

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Solution for 9y-3(y-3)=27 equation:


Simplifying
9y + -3(y + -3) = 27

Reorder the terms:
9y + -3(-3 + y) = 27
9y + (-3 * -3 + y * -3) = 27
9y + (9 + -3y) = 27

Reorder the terms:
9 + 9y + -3y = 27

Combine like terms: 9y + -3y = 6y
9 + 6y = 27

Solving
9 + 6y = 27

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 + 6y = 27 + -9

Combine like terms: 9 + -9 = 0
0 + 6y = 27 + -9
6y = 27 + -9

Combine like terms: 27 + -9 = 18
6y = 18

Divide each side by '6'.
y = 3

Simplifying
y = 3

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