-5(9-z)-3(9-6z)=

Solution for -5(9-z)-3(9-6z)= equation:

Simplifying
-5(9 + -1z) + -3(9 + -6z) = 0
(9 * -5 + -1z * -5) + -3(9 + -6z) = 0
(-45 + 5z) + -3(9 + -6z) = 0
-45 + 5z + (9 * -3 + -6z * -3) = 0
-45 + 5z + (-27 + 18z) = 0

Reorder the terms:
-45 + -27 + 5z + 18z = 0

Combine like terms: -45 + -27 = -72
-72 + 5z + 18z = 0

Combine like terms: 5z + 18z = 23z
-72 + 23z = 0

Solving
-72 + 23z = 0

Solving for variable 'z'.

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

Add '72' to each side of the equation.
-72 + 72 + 23z = 0 + 72

Combine like terms: -72 + 72 = 0
0 + 23z = 0 + 72
23z = 0 + 72

Combine like terms: 0 + 72 = 72
23z = 72

Divide each side by '23'.
z = 3.130434783

Simplifying
z = 3.130434783