a+18=42

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Solution for a+18=42 equation: 


Simplifying
a + 18 = 42

Reorder the terms:
18 + a = 42

Solving
18 + a = 42

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 = 42 + -18

Combine like terms: 18 + -18 = 0
0 + a = 42 + -18
a = 42 + -18

Combine like terms: 42 + -18 = 24
a = 24

Simplifying
a = 24

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