Okay so first we need to find 40% of 7.50. To do this you simply divide the percentage by 100, so you have .4 now. You multiply 7.50 by .4 and get 3. Lastly, you just subtract 3 from 7.50 and you get $4.50

**Emma will pay $4.50 after the discount.**

**Answer:**

x = -8 please mark brainliest

**Step-by-step explanation:**

Pull out like factors :

-x - 8 = -1 • (x + 8)

Equation at the end of step 1 :

Step 2 :

Solving a Single Variable Equation :

2.1 Solve : -x-8 = 0

Add 8 to both sides of the equation :

-x = 8

Multiply both sides of the equation by (-1) : x = -8

Answer:

-53

Step-by-step explanation:

-(12/3)-7(7)

-4-49=-53