11+a=4+9

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Solution for 11+a=4+9 equation: 


Simplifying
11 + a = 4 + 9

Combine like terms: 4 + 9 = 13
11 + a = 13

Solving
11 + a = 13

Solving for variable 'a'.

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

Add '-11' to each side of the equation.
11 + -11 + a = 13 + -11

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

Combine like terms: 13 + -11 = 2
a = 2

Simplifying
a = 2

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