4(-5y-9)=

Solution for 4(-5y-9)= equation:

Simplifying
4(-5y + -9) = 0

Reorder the terms:
4(-9 + -5y) = 0
(-9 * 4 + -5y * 4) = 0
(-36 + -20y) = 0

Solving
-36 + -20y = 0

Solving for variable 'y'.

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

Add '36' to each side of the equation.
-36 + 36 + -20y = 0 + 36

Combine like terms: -36 + 36 = 0
0 + -20y = 0 + 36
-20y = 0 + 36

Combine like terms: 0 + 36 = 36
-20y = 36

Divide each side by '-20'.
y = -1.8

Simplifying
y = -1.8