9+(a+b)=

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


Simplifying
9 + (a + b) = 0

Remove parenthesis around (a + b)
9 + a + b = 0

Solving
9 + a + b = 0

Solving for variable 'a'.

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

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

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

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

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

Add '-1b' to each side of the equation.
a + b + -1b = -9 + -1b

Combine like terms: b + -1b = 0
a + 0 = -9 + -1b
a = -9 + -1b

Simplifying
a = -9 + -1b

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