5z-7=12

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Solution for 5z-7=12 equation: 


Simplifying
5z + -7 = 12

Reorder the terms:
-7 + 5z = 12

Solving
-7 + 5z = 12

Solving for variable 'z'.

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

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

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

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

Divide each side by '5'.
z = 3.8

Simplifying
z = 3.8

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