-5+a=-21

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Solution for -5+a=-21 equation: 


Simplifying
-5 + a = -21

Solving
-5 + a = -21

Solving for variable 'a'.

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

Add '5' to each side of the equation.
-5 + 5 + a = -21 + 5

Combine like terms: -5 + 5 = 0
0 + a = -21 + 5
a = -21 + 5

Combine like terms: -21 + 5 = -16
a = -16

Simplifying
a = -16

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