-6=-2(y+9)

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Solution for -6=-2(y+9) equation:


Simplifying
-6 = -2(y + 9)

Reorder the terms:
-6 = -2(9 + y)
-6 = (9 * -2 + y * -2)
-6 = (-18 + -2y)

Solving
-6 = -18 + -2y

Solving for variable 'y'.

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

Add '2y' to each side of the equation.
-6 + 2y = -18 + -2y + 2y

Combine like terms: -2y + 2y = 0
-6 + 2y = -18 + 0
-6 + 2y = -18

Add '6' to each side of the equation.
-6 + 6 + 2y = -18 + 6

Combine like terms: -6 + 6 = 0
0 + 2y = -18 + 6
2y = -18 + 6

Combine like terms: -18 + 6 = -12
2y = -12

Divide each side by '2'.
y = -6

Simplifying
y = -6

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