-4(-5z-9)+3(3z-2)=-115

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Solution for -4(-5z-9)+3(3z-2)=-115 equation:


Simplifying
-4(-5z + -9) + 3(3z + -2) = -115

Reorder the terms:
-4(-9 + -5z) + 3(3z + -2) = -115
(-9 * -4 + -5z * -4) + 3(3z + -2) = -115
(36 + 20z) + 3(3z + -2) = -115

Reorder the terms:
36 + 20z + 3(-2 + 3z) = -115
36 + 20z + (-2 * 3 + 3z * 3) = -115
36 + 20z + (-6 + 9z) = -115

Reorder the terms:
36 + -6 + 20z + 9z = -115

Combine like terms: 36 + -6 = 30
30 + 20z + 9z = -115

Combine like terms: 20z + 9z = 29z
30 + 29z = -115

Solving
30 + 29z = -115

Solving for variable 'z'.

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

Add '-30' to each side of the equation.
30 + -30 + 29z = -115 + -30

Combine like terms: 30 + -30 = 0
0 + 29z = -115 + -30
29z = -115 + -30

Combine like terms: -115 + -30 = -145
29z = -145

Divide each side by '29'.
z = -5

Simplifying
z = -5

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