A coupon subtracts $17.95 from the price p of a pair of headphones. You pay $71.80 for the headphones using the coupon. Write an equation to find the original price of the headphones.
p-17.95=71.80
500
You can represent an odd integer with the expression 2n+1. Write an expression for the sum of three consecutive odd integers being equal to 63, and identify the three odd numbers.
19, 21, 23
500
A rectangular prism with dimensions "6 by 6 by x" has the same value for surface area as volume. Write and solve an equation to find x.