11a-9=a+11

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Solution for 11a-9=a+11 equation:


Simplifying
11a + -9 = a + 11

Reorder the terms:
-9 + 11a = a + 11

Reorder the terms:
-9 + 11a = 11 + a

Solving
-9 + 11a = 11 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-9 + 11a + -1a = 11 + a + -1a

Combine like terms: 11a + -1a = 10a
-9 + 10a = 11 + a + -1a

Combine like terms: a + -1a = 0
-9 + 10a = 11 + 0
-9 + 10a = 11

Add '9' to each side of the equation.
-9 + 9 + 10a = 11 + 9

Combine like terms: -9 + 9 = 0
0 + 10a = 11 + 9
10a = 11 + 9

Combine like terms: 11 + 9 = 20
10a = 20

Divide each side by '10'.
a = 2

Simplifying
a = 2

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