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Answers by Daniel A.

7-3/4(-8x+20) (answer)

The way this sort of equation (i.e. one value multiplied by two values added together within parentheses) is you multiply the value outside the parentheses by each value inside, separately, and then add them together.  As a simple example to demonstrate how it works, we'll use 4(2+9).  4x2=8...