5a+6+2a=12

Solution for 5a+6+2a=12 equation:

Simplifying
5a + 6 + 2a = 12

Reorder the terms:
6 + 5a + 2a = 12

Combine like terms: 5a + 2a = 7a
6 + 7a = 12

Solving
6 + 7a = 12

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 + 7a = 12 + -6

Combine like terms: 6 + -6 = 0
0 + 7a = 12 + -6
7a = 12 + -6

Combine like terms: 12 + -6 = 6
7a = 6

Divide each side by '7'.
a = 0.8571428571

Simplifying
a = 0.8571428571