If x = −24 and y = 6, what is the value of the expression │x + y│? a.18 b.30 c.-18 d.-30

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

x= cost per bracelet

number of bracelets * x + shipping charge = total cost

so

9x+9=72