a+(-18)=45

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Solution for a+(-18)=45 equation: 


Simplifying
a + (-18) = 45
a + -18 = 45

Reorder the terms:
-18 + a = 45

Solving
-18 + a = 45

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 = 45 + 18

Combine like terms: -18 + 18 = 0
0 + a = 45 + 18
a = 45 + 18

Combine like terms: 45 + 18 = 63
a = 63

Simplifying
a = 63

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