5-a=9

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Solution for 5-a=9 equation: 


Simplifying
5 + -1a = 9

Solving
5 + -1a = 9

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 + -1a = 9 + -5

Combine like terms: 5 + -5 = 0
0 + -1a = 9 + -5
-1a = 9 + -5

Combine like terms: 9 + -5 = 4
-1a = 4

Divide each side by '-1'.
a = -4

Simplifying
a = -4

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