(6+a)(4-2)=34

Solution for (6+a)(4-2)=34 equation:

Simplifying
(6 + a)(4 + -2) = 34

Combine like terms: 4 + -2 = 2
(6 + a)(2) = 34

Reorder the terms for easier multiplication:
2(6 + a) = 34
(6 * 2 + a * 2) = 34
(12 + 2a) = 34

Solving
12 + 2a = 34

Solving for variable 'a'.

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

Add '-12' to each side of the equation.
12 + -12 + 2a = 34 + -12

Combine like terms: 12 + -12 = 0
0 + 2a = 34 + -12
2a = 34 + -12

Combine like terms: 34 + -12 = 22
2a = 22

Divide each side by '2'.
a = 11

Simplifying
a = 11