9a-(a+2)=

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Solution for 9a-(a+2)= equation:


Simplifying
9a + -1(a + 2) = 0

Reorder the terms:
9a + -1(2 + a) = 0
9a + (2 * -1 + a * -1) = 0
9a + (-2 + -1a) = 0

Reorder the terms:
-2 + 9a + -1a = 0

Combine like terms: 9a + -1a = 8a
-2 + 8a = 0

Solving
-2 + 8a = 0

Solving for variable 'a'.

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

Add '2' to each side of the equation.
-2 + 2 + 8a = 0 + 2

Combine like terms: -2 + 2 = 0
0 + 8a = 0 + 2
8a = 0 + 2

Combine like terms: 0 + 2 = 2
8a = 2

Divide each side by '8'.
a = 0.25

Simplifying
a = 0.25

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