(2a+4)+(3a+9)=0

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Solution for (2a+4)+(3a+9)=0 equation:


Simplifying
(2a + 4) + (3a + 9) = 0

Reorder the terms:
(4 + 2a) + (3a + 9) = 0

Remove parenthesis around (4 + 2a)
4 + 2a + (3a + 9) = 0

Reorder the terms:
4 + 2a + (9 + 3a) = 0

Remove parenthesis around (9 + 3a)
4 + 2a + 9 + 3a = 0

Reorder the terms:
4 + 9 + 2a + 3a = 0

Combine like terms: 4 + 9 = 13
13 + 2a + 3a = 0

Combine like terms: 2a + 3a = 5a
13 + 5a = 0

Solving
13 + 5a = 0

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 + 5a = 0 + -13

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

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

Divide each side by '5'.
a = -2.6

Simplifying
a = -2.6

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