-12=-3(-3y)

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Solution for -12=-3(-3y) equation:


Simplifying
-12 = -3(-3y)

Remove parenthesis around (-3y)
-12 = -3 * -3y

Multiply -3 * -3
-12 = 9y

Solving
-12 = 9y

Solving for variable 'y'.

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

Add '-9y' to each side of the equation.
-12 + -9y = 9y + -9y

Combine like terms: 9y + -9y = 0
-12 + -9y = 0

Add '12' to each side of the equation.
-12 + 12 + -9y = 0 + 12

Combine like terms: -12 + 12 = 0
0 + -9y = 0 + 12
-9y = 0 + 12

Combine like terms: 0 + 12 = 12
-9y = 12

Divide each side by '-9'.
y = -1.333333333

Simplifying
y = -1.333333333

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