4(3z-6)+9(5z+4)=

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Solution for 4(3z-6)+9(5z+4)= equation:


Simplifying
4(3z + -6) + 9(5z + 4) = 0

Reorder the terms:
4(-6 + 3z) + 9(5z + 4) = 0
(-6 * 4 + 3z * 4) + 9(5z + 4) = 0
(-24 + 12z) + 9(5z + 4) = 0

Reorder the terms:
-24 + 12z + 9(4 + 5z) = 0
-24 + 12z + (4 * 9 + 5z * 9) = 0
-24 + 12z + (36 + 45z) = 0

Reorder the terms:
-24 + 36 + 12z + 45z = 0

Combine like terms: -24 + 36 = 12
12 + 12z + 45z = 0

Combine like terms: 12z + 45z = 57z
12 + 57z = 0

Solving
12 + 57z = 0

Solving for variable 'z'.

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

Add '-12' to each side of the equation.
12 + -12 + 57z = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 57z = 0 + -12
57z = 0 + -12

Combine like terms: 0 + -12 = -12
57z = -12

Divide each side by '57'.
z = -0.2105263158

Simplifying
z = -0.2105263158

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