2z+15=23

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Solution for 2z+15=23 equation: 


Simplifying
2z + 15 = 23

Reorder the terms:
15 + 2z = 23

Solving
15 + 2z = 23

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 + 2z = 23 + -15

Combine like terms: 15 + -15 = 0
0 + 2z = 23 + -15
2z = 23 + -15

Combine like terms: 23 + -15 = 8
2z = 8

Divide each side by '2'.
z = 4

Simplifying
z = 4

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