9y-6+3y=-138

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Solution for 9y-6+3y=-138 equation:


Simplifying
9y + -6 + 3y = -138

Reorder the terms:
-6 + 9y + 3y = -138

Combine like terms: 9y + 3y = 12y
-6 + 12y = -138

Solving
-6 + 12y = -138

Solving for variable 'y'.

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

Add '6' to each side of the equation.
-6 + 6 + 12y = -138 + 6

Combine like terms: -6 + 6 = 0
0 + 12y = -138 + 6
12y = -138 + 6

Combine like terms: -138 + 6 = -132
12y = -132

Divide each side by '12'.
y = -11

Simplifying
y = -11

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