-3(-1y-2)-7(-6y-9)=

Solution for -3(-1y-2)-7(-6y-9)= equation:

Simplifying
-3(-1y + -2) + -7(-6y + -9) = 0

Reorder the terms:
-3(-2 + -1y) + -7(-6y + -9) = 0
(-2 * -3 + -1y * -3) + -7(-6y + -9) = 0
(6 + 3y) + -7(-6y + -9) = 0

Reorder the terms:
6 + 3y + -7(-9 + -6y) = 0
6 + 3y + (-9 * -7 + -6y * -7) = 0
6 + 3y + (63 + 42y) = 0

Reorder the terms:
6 + 63 + 3y + 42y = 0

Combine like terms: 6 + 63 = 69
69 + 3y + 42y = 0

Combine like terms: 3y + 42y = 45y
69 + 45y = 0

Solving
69 + 45y = 0

Solving for variable 'y'.

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

Add '-69' to each side of the equation.
69 + -69 + 45y = 0 + -69

Combine like terms: 69 + -69 = 0
0 + 45y = 0 + -69
45y = 0 + -69

Combine like terms: 0 + -69 = -69
45y = -69

Divide each side by '45'.
y = -1.533333333

Simplifying
y = -1.533333333