5a+(2a+3)=

Solution for 5a+(2a+3)= equation:

Simplifying
5a + (2a + 3) = 0

Reorder the terms:
5a + (3 + 2a) = 0

Remove parenthesis around (3 + 2a)
5a + 3 + 2a = 0

Reorder the terms:
3 + 5a + 2a = 0

Combine like terms: 5a + 2a = 7a
3 + 7a = 0

Solving
3 + 7a = 0

Solving for variable 'a'.

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

Add '-3' to each side of the equation.
3 + -3 + 7a = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 7a = 0 + -3
7a = 0 + -3

Combine like terms: 0 + -3 = -3
7a = -3

Divide each side by '7'.
a = -0.4285714286

Simplifying
a = -0.4285714286