a-18=-13

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Solution for a-18=-13 equation: 


Simplifying
a + -18 = -13

Reorder the terms:
-18 + a = -13

Solving
-18 + a = -13

Solving for variable 'a'.

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

Add '18' to each side of the equation.
-18 + 18 + a = -13 + 18

Combine like terms: -18 + 18 = 0
0 + a = -13 + 18
a = -13 + 18

Combine like terms: -13 + 18 = 5
a = 5

Simplifying
a = 5

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