a-(9-a)=7a+6

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Solution for a-(9-a)=7a+6 equation:


Simplifying
a + -1(9 + -1a) = 7a + 6
a + (9 * -1 + -1a * -1) = 7a + 6
a + (-9 + 1a) = 7a + 6

Reorder the terms:
-9 + a + 1a = 7a + 6

Combine like terms: a + 1a = 2a
-9 + 2a = 7a + 6

Reorder the terms:
-9 + 2a = 6 + 7a

Solving
-9 + 2a = 6 + 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
-9 + 2a + -7a = 6 + 7a + -7a

Combine like terms: 2a + -7a = -5a
-9 + -5a = 6 + 7a + -7a

Combine like terms: 7a + -7a = 0
-9 + -5a = 6 + 0
-9 + -5a = 6

Add '9' to each side of the equation.
-9 + 9 + -5a = 6 + 9

Combine like terms: -9 + 9 = 0
0 + -5a = 6 + 9
-5a = 6 + 9

Combine like terms: 6 + 9 = 15
-5a = 15

Divide each side by '-5'.
a = -3

Simplifying
a = -3

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