Question

Geraldo has 3 fewer marbles than Yan Together, they have 21 marbles which equation

represents this situation?
21, where is the number of marbles Yan has
*+ * - $) = 21, where is the number of marbles Geraldo has
*+ (8-2) = 21, where is the number of marbles Geraldo has
*+ * -3) = 21, where a is the number of marbles Yan has

Answer 1

2, *+*(8-2)=21, where is the number of marbles Gernaldo has