21-16+a=14-4

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Solution for 21-16+a=14-4 equation: 


Simplifying
21 + -16 + a = 14 + -4

Combine like terms: 21 + -16 = 5
5 + a = 14 + -4

Combine like terms: 14 + -4 = 10
5 + a = 10

Solving
5 + a = 10

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 = 10 + -5

Combine like terms: 5 + -5 = 0
0 + a = 10 + -5
a = 10 + -5

Combine like terms: 10 + -5 = 5
a = 5

Simplifying
a = 5

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