6+-2(3a)=7

Solution for 6+-2(3a)=7 equation:

Simplifying
6 + -2(3a) = 7

Remove parenthesis around (3a)
6 + -2 * 3a = 7

Multiply -2 * 3
6 + -6a = 7

Solving
6 + -6a = 7

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 + -6a = 7 + -6

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

Combine like terms: 7 + -6 = 1
-6a = 1

Divide each side by '-6'.
a = -0.1666666667

Simplifying
a = -0.1666666667