(5a+2)+(7a+8a)=

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Solution for (5a+2)+(7a+8a)= equation:


Simplifying
(5a + 2) + (7a + 8a) = 0

Reorder the terms:
(2 + 5a) + (7a + 8a) = 0

Remove parenthesis around (2 + 5a)
2 + 5a + (7a + 8a) = 0

Combine like terms: 7a + 8a = 15a
2 + 5a + (15a) = 0
2 + 5a + (15a) = 0

Combine like terms: 5a + (15a) = 20a
2 + 20a = 0

Solving
2 + 20a = 0

Solving for variable 'a'.

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

Add '-2' to each side of the equation.
2 + -2 + 20a = 0 + -2

Combine like terms: 2 + -2 = 0
0 + 20a = 0 + -2
20a = 0 + -2

Combine like terms: 0 + -2 = -2
20a = -2

Divide each side by '20'.
a = -0.1

Simplifying
a = -0.1

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