Question

The following blank indicates a missing operation in the equation.

5(1/2 q+3r−4s)−9r=5/ 2 q [blank] −−−−−−6r−20s
What operation fills in the blank to make the equation a true statement?

Enter "+" for addition or "-" for subtraction.

Answer 1

+

Explanation:

When distributing the 5 throughout the rest of the equation, the full answer should end up being 5/2q+6r-20s