-8+a=13

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Solution for -8+a=13 equation:


Simplifying
-8 + a = 13

Solving
-8 + a = 13

Solving for variable 'a'.

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

Add '8' to each side of the equation.
-8 + 8 + a = 13 + 8

Combine like terms: -8 + 8 = 0
0 + a = 13 + 8
a = 13 + 8

Combine like terms: 13 + 8 = 21
a = 21

Simplifying
a = 21

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