84=19+z*12

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Solution for 84=19+z*12 equation:


Simplifying
84 = 19 + z * 12

Reorder the terms for easier multiplication:
84 = 19 + 12z

Solving
84 = 19 + 12z

Solving for variable 'z'.

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

Add '-12z' to each side of the equation.
84 + -12z = 19 + 12z + -12z

Combine like terms: 12z + -12z = 0
84 + -12z = 19 + 0
84 + -12z = 19

Add '-84' to each side of the equation.
84 + -84 + -12z = 19 + -84

Combine like terms: 84 + -84 = 0
0 + -12z = 19 + -84
-12z = 19 + -84

Combine like terms: 19 + -84 = -65
-12z = -65

Divide each side by '-12'.
z = 5.416666667

Simplifying
z = 5.416666667

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