6-9y=15-3y

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Solution for 6-9y=15-3y equation:


Simplifying
6 + -9y = 15 + -3y

Solving
6 + -9y = 15 + -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.
6 + -9y + 3y = 15 + -3y + 3y

Combine like terms: -9y + 3y = -6y
6 + -6y = 15 + -3y + 3y

Combine like terms: -3y + 3y = 0
6 + -6y = 15 + 0
6 + -6y = 15

Add '-6' to each side of the equation.
6 + -6 + -6y = 15 + -6

Combine like terms: 6 + -6 = 0
0 + -6y = 15 + -6
-6y = 15 + -6

Combine like terms: 15 + -6 = 9
-6y = 9

Divide each side by '-6'.
y = -1.5

Simplifying
y = -1.5

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