10a+3(a+2)=

Solution for 10a+3(a+2)= equation:

Simplifying
10a + 3(a + 2) = 0

Reorder the terms:
10a + 3(2 + a) = 0
10a + (2 * 3 + a * 3) = 0
10a + (6 + 3a) = 0

Reorder the terms:
6 + 10a + 3a = 0

Combine like terms: 10a + 3a = 13a
6 + 13a = 0

Solving
6 + 13a = 0

Solving for variable 'a'.

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

Add '-6' to each side of the equation.
6 + -6 + 13a = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 13a = 0 + -6
13a = 0 + -6

Combine like terms: 0 + -6 = -6
13a = -6

Divide each side by '13'.
a = -0.4615384615

Simplifying
a = -0.4615384615