16.8=21.6+q

Solution for 16.8=21.6+q equation:

Simplifying
16.8 = 21.6 + q

Solving
16.8 = 21.6 + q

Solving for variable 'q'.

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

Add '-1q' to each side of the equation.
16.8 + -1q = 21.6 + q + -1q

Combine like terms: q + -1q = 0
16.8 + -1q = 21.6 + 0
16.8 + -1q = 21.6

Add '-16.8' to each side of the equation.
16.8 + -16.8 + -1q = 21.6 + -16.8

Combine like terms: 16.8 + -16.8 = 0.0
0.0 + -1q = 21.6 + -16.8
-1q = 21.6 + -16.8

Combine like terms: 21.6 + -16.8 = 4.8
-1q = 4.8

Divide each side by '-1'.
q = -4.8

Simplifying
q = -4.8