3z-7=23

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Solution for 3z-7=23 equation: 


Simplifying
3z + -7 = 23

Reorder the terms:
-7 + 3z = 23

Solving
-7 + 3z = 23

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 + 3z = 23 + 7

Combine like terms: -7 + 7 = 0
0 + 3z = 23 + 7
3z = 23 + 7

Combine like terms: 23 + 7 = 30
3z = 30

Divide each side by '3'.
z = 10

Simplifying
z = 10

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