6a+42-2a=50

Solution for 6a+42-2a=50 equation:

Simplifying
6a + 42 + -2a = 50

Reorder the terms:
42 + 6a + -2a = 50

Combine like terms: 6a + -2a = 4a
42 + 4a = 50

Solving
42 + 4a = 50

Solving for variable 'a'.

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

Add '-42' to each side of the equation.
42 + -42 + 4a = 50 + -42

Combine like terms: 42 + -42 = 0
0 + 4a = 50 + -42
4a = 50 + -42

Combine like terms: 50 + -42 = 8
4a = 8

Divide each side by '4'.
a = 2

Simplifying
a = 2