13-2z=15

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Solution for 13-2z=15 equation: 


Simplifying
13 + -2z = 15

Solving
13 + -2z = 15

Solving for variable 'z'.

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

Add '-13' to each side of the equation.
13 + -13 + -2z = 15 + -13

Combine like terms: 13 + -13 = 0
0 + -2z = 15 + -13
-2z = 15 + -13

Combine like terms: 15 + -13 = 2
-2z = 2

Divide each side by '-2'.
z = -1

Simplifying
z = -1

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