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

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


Simplifying
5 + -1(-1a) + 9(a + b) = 0

Remove parenthesis around (-1a)
5 + -1 * -1a + 9(a + b) = 0

Multiply -1 * -1
5 + 1a + 9(a + b) = 0
5 + 1a + (a * 9 + b * 9) = 0
5 + 1a + (9a + 9b) = 0

Combine like terms: 1a + 9a = 10a
5 + 10a + 9b = 0

Solving
5 + 10a + 9b = 0

Solving for variable 'a'.

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

Add '-5' to each side of the equation.
5 + 10a + -5 + 9b = 0 + -5

Reorder the terms:
5 + -5 + 10a + 9b = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 10a + 9b = 0 + -5
10a + 9b = 0 + -5

Combine like terms: 0 + -5 = -5
10a + 9b = -5

Add '-9b' to each side of the equation.
10a + 9b + -9b = -5 + -9b

Combine like terms: 9b + -9b = 0
10a + 0 = -5 + -9b
10a = -5 + -9b

Divide each side by '10'.
a = -0.5 + -0.9b

Simplifying
a = -0.5 + -0.9b

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