9y-18=3y

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Solution for 9y-18=3y equation:


Simplifying
9y + -18 = 3y

Reorder the terms:
-18 + 9y = 3y

Solving
-18 + 9y = 3y

Solving for variable 'y'.

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

Add '-3y' to each side of the equation.
-18 + 9y + -3y = 3y + -3y

Combine like terms: 9y + -3y = 6y
-18 + 6y = 3y + -3y

Combine like terms: 3y + -3y = 0
-18 + 6y = 0

Add '18' to each side of the equation.
-18 + 18 + 6y = 0 + 18

Combine like terms: -18 + 18 = 0
0 + 6y = 0 + 18
6y = 0 + 18

Combine like terms: 0 + 18 = 18
6y = 18

Divide each side by '6'.
y = 3

Simplifying
y = 3

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