10.
Julianna used a gift card to pay for an $18 haircut. The remaining balance on the card was $22. Write and solve an equation to find the original value of the card.
Julianna used a gift card to pay for an $18 haircut. The remaining balance on the card was $22.let g be the original value of the cardso the equation will be:g - 18 = 22then solve the equation g - 18 = 22g = 22 + 18g = 40 is the original value
