6a-(9-a)=5a-11

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Solution for 6a-(9-a)=5a-11 equation:


Simplifying
6a + -1(9 + -1a) = 5a + -11
6a + (9 * -1 + -1a * -1) = 5a + -11
6a + (-9 + 1a) = 5a + -11

Reorder the terms:
-9 + 6a + 1a = 5a + -11

Combine like terms: 6a + 1a = 7a
-9 + 7a = 5a + -11

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

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

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
-9 + 7a + -5a = -11 + 5a + -5a

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

Combine like terms: 5a + -5a = 0
-9 + 2a = -11 + 0
-9 + 2a = -11

Add '9' to each side of the equation.
-9 + 9 + 2a = -11 + 9

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

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

Divide each side by '2'.
a = -1

Simplifying
a = -1

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