-3(5z-4)=18

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Solution for -3(5z-4)=18 equation: 


Simplifying
-3(5z + -4) = 18

Reorder the terms:
-3(-4 + 5z) = 18
(-4 * -3 + 5z * -3) = 18
(12 + -15z) = 18

Solving
12 + -15z = 18

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 + -15z = 18 + -12

Combine like terms: 12 + -12 = 0
0 + -15z = 18 + -12
-15z = 18 + -12

Combine like terms: 18 + -12 = 6
-15z = 6

Divide each side by '-15'.
z = -0.4

Simplifying
z = -0.4

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