8a-6+16=42

Solution for 8a-6+16=42 equation:

Simplifying
8a + -6 + 16 = 42

Reorder the terms:
-6 + 16 + 8a = 42

Combine like terms: -6 + 16 = 10
10 + 8a = 42

Solving
10 + 8a = 42

Solving for variable 'a'.

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

Add '-10' to each side of the equation.
10 + -10 + 8a = 42 + -10

Combine like terms: 10 + -10 = 0
0 + 8a = 42 + -10
8a = 42 + -10

Combine like terms: 42 + -10 = 32
8a = 32

Divide each side by '8'.
a = 4

Simplifying
a = 4