Last month, Marcus borrowed $70 from his roommate. So far, he has paid him back $23. Which equation could be used to find x, the amount of money he still owes his roommate?
A.
x - $23 = $70
B.
x + $23 = $70
C.
$70 + x = $23
D.
$23x = $70
1 answer
A. x - $23 = $70