z-7-13=-2

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Solution for z-7-13=-2 equation: 


Simplifying
z + -7 + -13 = -2

Reorder the terms:
-7 + -13 + z = -2

Combine like terms: -7 + -13 = -20
-20 + z = -2

Solving
-20 + z = -2

Solving for variable 'z'.

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

Add '20' to each side of the equation.
-20 + 20 + z = -2 + 20

Combine like terms: -20 + 20 = 0
0 + z = -2 + 20
z = -2 + 20

Combine like terms: -2 + 20 = 18
z = 18

Simplifying
z = 18

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