8q+6=3q+21

Solution for 8q+6=3q+21 equation:

Simplifying
8q + 6 = 3q + 21

Reorder the terms:
6 + 8q = 3q + 21

Reorder the terms:
6 + 8q = 21 + 3q

Solving
6 + 8q = 21 + 3q

Solving for variable 'q'.

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

Add '-3q' to each side of the equation.
6 + 8q + -3q = 21 + 3q + -3q

Combine like terms: 8q + -3q = 5q
6 + 5q = 21 + 3q + -3q

Combine like terms: 3q + -3q = 0
6 + 5q = 21 + 0
6 + 5q = 21

Add '-6' to each side of the equation.
6 + -6 + 5q = 21 + -6

Combine like terms: 6 + -6 = 0
0 + 5q = 21 + -6
5q = 21 + -6

Combine like terms: 21 + -6 = 15
5q = 15

Divide each side by '5'.
q = 3

Simplifying
q = 3