19+a=9

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Solution for 19+a=9 equation: 


Simplifying
19 + a = 9

Solving
19 + a = 9

Solving for variable 'a'.

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

Add '-19' to each side of the equation.
19 + -19 + a = 9 + -19

Combine like terms: 19 + -19 = 0
0 + a = 9 + -19
a = 9 + -19

Combine like terms: 9 + -19 = -10
a = -10

Simplifying
a = -10

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