3(-2)-y=9

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Solution for 3(-2)-y=9 equation: 


Simplifying
3(-2) + -1y = 9

Multiply 3 * -2
-6 + -1y = 9

Solving
-6 + -1y = 9

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 + -1y = 9 + 6

Combine like terms: -6 + 6 = 0
0 + -1y = 9 + 6
-1y = 9 + 6

Combine like terms: 9 + 6 = 15
-1y = 15

Divide each side by '-1'.
y = -15

Simplifying
y = -15

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