[2a+9]+4=5

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Solution for [2a+9]+4=5 equation:


Simplifying
[2a + 9] + 4 = 5

Reorder the terms:
[9 + 2a] + 4 = 5

Remove brackets around [9 + 2a]
9 + 2a + 4 = 5

Reorder the terms:
9 + 4 + 2a = 5

Combine like terms: 9 + 4 = 13
13 + 2a = 5

Solving
13 + 2a = 5

Solving for variable 'a'.

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

Add '-13' to each side of the equation.
13 + -13 + 2a = 5 + -13

Combine like terms: 13 + -13 = 0
0 + 2a = 5 + -13
2a = 5 + -13

Combine like terms: 5 + -13 = -8
2a = -8

Divide each side by '2'.
a = -4

Simplifying
a = -4

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