6+5+a=18

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Solution for 6+5+a=18 equation: 


Simplifying
6 + 5 + a = 18

Combine like terms: 6 + 5 = 11
11 + a = 18

Solving
11 + a = 18

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 = 18 + -11

Combine like terms: 11 + -11 = 0
0 + a = 18 + -11
a = 18 + -11

Combine like terms: 18 + -11 = 7
a = 7

Simplifying
a = 7

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