2*-3-9=-3y

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Solution for 2*-3-9=-3y equation:


Simplifying
2 * -3 + -9 = -3y

Multiply 2 * -3
-6 + -9 = -3y

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

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

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

Add '15' to each side of the equation.
-15 + 15 + 3y = 0 + 15

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

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

Divide each side by '3'.
y = 5

Simplifying
y = 5

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