90=73+z(12)

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Solution for 90=73+z(12) equation:


Simplifying
90 = 73 + z(12)

Reorder the terms for easier multiplication:
90 = 73 + 12z

Solving
90 = 73 + 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.
90 + -12z = 73 + 12z + -12z

Combine like terms: 12z + -12z = 0
90 + -12z = 73 + 0
90 + -12z = 73

Add '-90' to each side of the equation.
90 + -90 + -12z = 73 + -90

Combine like terms: 90 + -90 = 0
0 + -12z = 73 + -90
-12z = 73 + -90

Combine like terms: 73 + -90 = -17
-12z = -17

Divide each side by '-12'.
z = 1.416666667

Simplifying
z = 1.416666667

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