15+5z=80

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Solution for 15+5z=80 equation: 


Simplifying
15 + 5z = 80

Solving
15 + 5z = 80

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 + 5z = 80 + -15

Combine like terms: 15 + -15 = 0
0 + 5z = 80 + -15
5z = 80 + -15

Combine like terms: 80 + -15 = 65
5z = 65

Divide each side by '5'.
z = 13

Simplifying
z = 13

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