13-z=10

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Solution for 13-z=10 equation: 


Simplifying
13 + -1z = 10

Solving
13 + -1z = 10

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 + -1z = 10 + -13

Combine like terms: 13 + -13 = 0
0 + -1z = 10 + -13
-1z = 10 + -13

Combine like terms: 10 + -13 = -3
-1z = -3

Divide each side by '-1'.
z = 3

Simplifying
z = 3

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