a+(-3)=13

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Solution for a+(-3)=13 equation: 


Simplifying
a + (-3) = 13
a + -3 = 13

Reorder the terms:
-3 + a = 13

Solving
-3 + a = 13

Solving for variable 'a'.

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

Add '3' to each side of the equation.
-3 + 3 + a = 13 + 3

Combine like terms: -3 + 3 = 0
0 + a = 13 + 3
a = 13 + 3

Combine like terms: 13 + 3 = 16
a = 16

Simplifying
a = 16

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