(5a+9b)+(2a+4b)=

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Solution for (5a+9b)+(2a+4b)= equation:


Simplifying
(5a + 9b) + (2a + 4b) = 0

Remove parenthesis around (5a + 9b)
5a + 9b + (2a + 4b) = 0

Remove parenthesis around (2a + 4b)
5a + 9b + 2a + 4b = 0

Reorder the terms:
5a + 2a + 9b + 4b = 0

Combine like terms: 5a + 2a = 7a
7a + 9b + 4b = 0

Combine like terms: 9b + 4b = 13b
7a + 13b = 0

Solving
7a + 13b = 0

Solving for variable 'a'.

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

Add '-13b' to each side of the equation.
7a + 13b + -13b = 0 + -13b

Combine like terms: 13b + -13b = 0
7a + 0 = 0 + -13b
7a = 0 + -13b
Remove the zero:
7a = -13b

Divide each side by '7'.
a = -1.857142857b

Simplifying
a = -1.857142857b

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