Please help me understand how to do this!

x = -72

Step-by-step explanation:

Step 1: Get rid of the fraction by multiplying both sides by 9

-8x = 576

Step 2: Divide both sides by -8 to get x

x = -72

x = -72

Step-by-step explanation:

-8x/9 = 64

Multiply each side by -9/8

-8x/9  * -9/8 = 64 *-9/8

x = -72

2nd one in the first row is correct

total amount of money that he should pay if he has not used his duty free exemption is $98

step-by-step explanation:

given a united states citizen returning to the states declares the following items at the customs office: 3 shirts at $8.50 each 2 dresses at $27.50 each 1 pair of gold cuff links at $17.50 per pair. we have to find how much he pay

cost of 3 shirts if one cost at $8.50 is

cost of 2 dresses if one cost at $27.50 is  

cost of 1 pair of gold cuff at $17.50

so, total amount of money that he should pay if he has not used his duty free exemption is   $25.5+$55+$17.50=$98