9-6=8-(9+a)

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Solution for 9-6=8-(9+a) equation:


Simplifying
9 + -6 = 8 + -1(9 + a)

Combine like terms: 9 + -6 = 3
3 = 8 + -1(9 + a)
3 = 8 + (9 * -1 + a * -1)
3 = 8 + (-9 + -1a)

Combine like terms: 8 + -9 = -1
3 = -1 + -1a

Solving
3 = -1 + -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
3 + a = -1 + -1a + a

Combine like terms: -1a + a = 0
3 + a = -1 + 0
3 + a = -1

Add '-3' to each side of the equation.
3 + -3 + a = -1 + -3

Combine like terms: 3 + -3 = 0
0 + a = -1 + -3
a = -1 + -3

Combine like terms: -1 + -3 = -4
a = -4

Simplifying
a = -4

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