5z-12=7

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Solution for 5z-12=7 equation: 


Simplifying
5z + -12 = 7

Reorder the terms:
-12 + 5z = 7

Solving
-12 + 5z = 7

Solving for variable 'z'.

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

Add '12' to each side of the equation.
-12 + 12 + 5z = 7 + 12

Combine like terms: -12 + 12 = 0
0 + 5z = 7 + 12
5z = 7 + 12

Combine like terms: 7 + 12 = 19
5z = 19

Divide each side by '5'.
z = 3.8

Simplifying
z = 3.8

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