12=3(y-3)-6y

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Solution for 12=3(y-3)-6y equation:


Simplifying
12 = 3(y + -3) + -6y

Reorder the terms:
12 = 3(-3 + y) + -6y
12 = (-3 * 3 + y * 3) + -6y
12 = (-9 + 3y) + -6y

Combine like terms: 3y + -6y = -3y
12 = -9 + -3y

Solving
12 = -9 + -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.
12 + 3y = -9 + -3y + 3y

Combine like terms: -3y + 3y = 0
12 + 3y = -9 + 0
12 + 3y = -9

Add '-12' to each side of the equation.
12 + -12 + 3y = -9 + -12

Combine like terms: 12 + -12 = 0
0 + 3y = -9 + -12
3y = -9 + -12

Combine like terms: -9 + -12 = -21
3y = -21

Divide each side by '3'.
y = -7

Simplifying
y = -7

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