(13-z)+2=18

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Solution for (13-z)+2=18 equation:


Simplifying
(13 + -1z) + 2 = 18

Remove parenthesis around (13 + -1z)
13 + -1z + 2 = 18

Reorder the terms:
13 + 2 + -1z = 18

Combine like terms: 13 + 2 = 15
15 + -1z = 18

Solving
15 + -1z = 18

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 + -1z = 18 + -15

Combine like terms: 15 + -15 = 0
0 + -1z = 18 + -15
-1z = 18 + -15

Combine like terms: 18 + -15 = 3
-1z = 3

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

Simplifying
z = -3

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