15-4z=-19

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Solution for 15-4z=-19 equation:


Simplifying
15 + -4z = -19

Solving
15 + -4z = -19

Solving for variable 'z'.

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

Add '-15' to each side of the equation.
15 + -15 + -4z = -19 + -15

Combine like terms: 15 + -15 = 0
0 + -4z = -19 + -15
-4z = -19 + -15

Combine like terms: -19 + -15 = -34
-4z = -34

Divide each side by '-4'.
z = 8.5

Simplifying
z = 8.5

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