-9=3(y-4)-6y

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Solution for -9=3(y-4)-6y equation:


Simplifying
-9 = 3(y + -4) + -6y

Reorder the terms:
-9 = 3(-4 + y) + -6y
-9 = (-4 * 3 + y * 3) + -6y
-9 = (-12 + 3y) + -6y

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

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

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

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

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

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

Divide each side by '3'.
y = -1

Simplifying
y = -1

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