(q-3)*6=42

Solution for (q-3)*6=42 equation:

Simplifying
(q + -3) * 6 = 42

Reorder the terms:
(-3 + q) * 6 = 42

Reorder the terms for easier multiplication:
6(-3 + q) = 42
(-3 * 6 + q * 6) = 42
(-18 + 6q) = 42

Solving
-18 + 6q = 42

Solving for variable 'q'.

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

Add '18' to each side of the equation.
-18 + 18 + 6q = 42 + 18

Combine like terms: -18 + 18 = 0
0 + 6q = 42 + 18
6q = 42 + 18

Combine like terms: 42 + 18 = 60
6q = 60

Divide each side by '6'.
q = 10

Simplifying
q = 10