Riverview Farms sold a combined total of 396 watermelons and cantaloupes. they sold 126 more watermelons than cantaloupes. Use n to represent the number of cantaloupes. Which equation could be used to solve for n?

Answers:

n + 126 = 396

n - 126 = 396

2n - 126 = 396

2n + 126 = 396


I think it's a or d but i'm not sure.