(10a-8)-(-9a-9n)=

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Solution for (10a-8)-(-9a-9n)= equation:


Simplifying
(10a + -8) + -1(-9a + -9n) = 0

Reorder the terms:
(-8 + 10a) + -1(-9a + -9n) = 0

Remove parenthesis around (-8 + 10a)
-8 + 10a + -1(-9a + -9n) = 0
-8 + 10a + (-9a * -1 + -9n * -1) = 0
-8 + 10a + (9a + 9n) = 0

Combine like terms: 10a + 9a = 19a
-8 + 19a + 9n = 0

Solving
-8 + 19a + 9n = 0

Solving for variable 'a'.

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

Add '8' to each side of the equation.
-8 + 19a + 8 + 9n = 0 + 8

Reorder the terms:
-8 + 8 + 19a + 9n = 0 + 8

Combine like terms: -8 + 8 = 0
0 + 19a + 9n = 0 + 8
19a + 9n = 0 + 8

Combine like terms: 0 + 8 = 8
19a + 9n = 8

Add '-9n' to each side of the equation.
19a + 9n + -9n = 8 + -9n

Combine like terms: 9n + -9n = 0
19a + 0 = 8 + -9n
19a = 8 + -9n

Divide each side by '19'.
a = 0.4210526316 + -0.4736842105n

Simplifying
a = 0.4210526316 + -0.4736842105n

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