1.6q-4.3+2.1q=10.5

Solution for 1.6q-4.3+2.1q=10.5 equation:

Simplifying
1.6q + -4.3 + 2.1q = 10.5

Reorder the terms:
-4.3 + 1.6q + 2.1q = 10.5

Combine like terms: 1.6q + 2.1q = 3.7q
-4.3 + 3.7q = 10.5

Solving
-4.3 + 3.7q = 10.5

Solving for variable 'q'.

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

Add '4.3' to each side of the equation.
-4.3 + 4.3 + 3.7q = 10.5 + 4.3

Combine like terms: -4.3 + 4.3 = 0.0
0.0 + 3.7q = 10.5 + 4.3
3.7q = 10.5 + 4.3

Combine like terms: 10.5 + 4.3 = 14.8
3.7q = 14.8

Divide each side by '3.7'.
q = 4

Simplifying
q = 4