72-4=12+3z

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Solution for 72-4=12+3z equation:


Simplifying
72 + -4 = 12 + 3z

Combine like terms: 72 + -4 = 68
68 = 12 + 3z

Solving
68 = 12 + 3z

Solving for variable 'z'.

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

Add '-3z' to each side of the equation.
68 + -3z = 12 + 3z + -3z

Combine like terms: 3z + -3z = 0
68 + -3z = 12 + 0
68 + -3z = 12

Add '-68' to each side of the equation.
68 + -68 + -3z = 12 + -68

Combine like terms: 68 + -68 = 0
0 + -3z = 12 + -68
-3z = 12 + -68

Combine like terms: 12 + -68 = -56
-3z = -56

Divide each side by '-3'.
z = 18.66666667

Simplifying
z = 18.66666667

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