-11.2+4(2.1+q)=-0.6

Solution for -11.2+4(2.1+q)=-0.6 equation:

Simplifying
-11.2 + 4(2.1 + q) = -0.6
-11.2 + (2.1 * 4 + q * 4) = -0.6
-11.2 + (8.4 + 4q) = -0.6

Combine like terms: -11.2 + 8.4 = -2.8
-2.8 + 4q = -0.6

Solving
-2.8 + 4q = -0.6

Solving for variable 'q'.

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

Add '2.8' to each side of the equation.
-2.8 + 2.8 + 4q = -0.6 + 2.8

Combine like terms: -2.8 + 2.8 = 0.0
0.0 + 4q = -0.6 + 2.8
4q = -0.6 + 2.8

Combine like terms: -0.6 + 2.8 = 2.2
4q = 2.2

Divide each side by '4'.
q = 0.55

Simplifying
q = 0.55