(5a-b)+(8a+4b)=

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Solution for (5a-b)+(8a+4b)= equation:


Simplifying
(5a + -1b) + (8a + 4b) = 0

Remove parenthesis around (5a + -1b)
5a + -1b + (8a + 4b) = 0

Remove parenthesis around (8a + 4b)
5a + -1b + 8a + 4b = 0

Reorder the terms:
5a + 8a + -1b + 4b = 0

Combine like terms: 5a + 8a = 13a
13a + -1b + 4b = 0

Combine like terms: -1b + 4b = 3b
13a + 3b = 0

Solving
13a + 3b = 0

Solving for variable 'a'.

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

Add '-3b' to each side of the equation.
13a + 3b + -3b = 0 + -3b

Combine like terms: 3b + -3b = 0
13a + 0 = 0 + -3b
13a = 0 + -3b
Remove the zero:
13a = -3b

Divide each side by '13'.
a = -0.2307692308b

Simplifying
a = -0.2307692308b

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