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

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


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

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

Remove parenthesis around (9 + 6a)
9 + 6a = -1(5a + -9)

Reorder the terms:
9 + 6a = -1(-9 + 5a)
9 + 6a = (-9 * -1 + 5a * -1)
9 + 6a = (9 + -5a)

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

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

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

Solving
6a = -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.
6a + 5a = -5a + 5a

Combine like terms: 6a + 5a = 11a
11a = -5a + 5a

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

Divide each side by '11'.
a = 0

Simplifying
a = 0

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