Martha spent $38.45 on a new shirt and now has $17.71 in her pocket.
Which equation can be used to find how much money, x, she had in her pocket before buying the
shirt?
x + 17.71 = 38.45
O2 - 38.45 = 17.71
17.71x = 38.45
x + 38.45 = 17.71