13+9-11a=

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Solution for 13+9-11a= equation: 


Simplifying
13 + 9 + -11a = 0

Combine like terms: 13 + 9 = 22
22 + -11a = 0

Solving
22 + -11a = 0

Solving for variable 'a'.

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

Add '-22' to each side of the equation.
22 + -22 + -11a = 0 + -22

Combine like terms: 22 + -22 = 0
0 + -11a = 0 + -22
-11a = 0 + -22

Combine like terms: 0 + -22 = -22
-11a = -22

Divide each side by '-11'.
a = 2

Simplifying
a = 2

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