18z-13=-4

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Solution for 18z-13=-4 equation: 


Simplifying
18z + -13 = -4

Reorder the terms:
-13 + 18z = -4

Solving
-13 + 18z = -4

Solving for variable 'z'.

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

Add '13' to each side of the equation.
-13 + 13 + 18z = -4 + 13

Combine like terms: -13 + 13 = 0
0 + 18z = -4 + 13
18z = -4 + 13

Combine like terms: -4 + 13 = 9
18z = 9

Divide each side by '18'.
z = 0.5

Simplifying
z = 0.5

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