a+(a+5)=9

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


Simplifying
a + (a + 5) = 9

Reorder the terms:
a + (5 + a) = 9

Remove parenthesis around (5 + a)
a + 5 + a = 9

Reorder the terms:
5 + a + a = 9

Combine like terms: a + a = 2a
5 + 2a = 9

Solving
5 + 2a = 9

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 + -5 + 2a = 9 + -5

Combine like terms: 5 + -5 = 0
0 + 2a = 9 + -5
2a = 9 + -5

Combine like terms: 9 + -5 = 4
2a = 4

Divide each side by '2'.
a = 2

Simplifying
a = 2

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