11a-5=9a+7

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Solution for 11a-5=9a+7 equation:


Simplifying
11a + -5 = 9a + 7

Reorder the terms:
-5 + 11a = 9a + 7

Reorder the terms:
-5 + 11a = 7 + 9a

Solving
-5 + 11a = 7 + 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.
-5 + 11a + -9a = 7 + 9a + -9a

Combine like terms: 11a + -9a = 2a
-5 + 2a = 7 + 9a + -9a

Combine like terms: 9a + -9a = 0
-5 + 2a = 7 + 0
-5 + 2a = 7

Add '5' to each side of the equation.
-5 + 5 + 2a = 7 + 5

Combine like terms: -5 + 5 = 0
0 + 2a = 7 + 5
2a = 7 + 5

Combine like terms: 7 + 5 = 12
2a = 12

Divide each side by '2'.
a = 6

Simplifying
a = 6

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