11a-11=21+9a

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Solution for 11a-11=21+9a equation:


Simplifying
11a + -11 = 21 + 9a

Reorder the terms:
-11 + 11a = 21 + 9a

Solving
-11 + 11a = 21 + 9a

Solving for variable 'a'.

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

Add '-9a' to each side of the equation.
-11 + 11a + -9a = 21 + 9a + -9a

Combine like terms: 11a + -9a = 2a
-11 + 2a = 21 + 9a + -9a

Combine like terms: 9a + -9a = 0
-11 + 2a = 21 + 0
-11 + 2a = 21

Add '11' to each side of the equation.
-11 + 11 + 2a = 21 + 11

Combine like terms: -11 + 11 = 0
0 + 2a = 21 + 11
2a = 21 + 11

Combine like terms: 21 + 11 = 32
2a = 32

Divide each side by '2'.
a = 16

Simplifying
a = 16

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