Answer:
The Answer for 19 is x+y=38.
The Answer for 20 is 2x+5y=100.
Answer:
it is 34 that's the answer.
Step-by-step explanation:
20: 20, 40, 60, 80, 100, 120, 140, 160, 180, 200
14: 14, 28, 42, 56, 70, 84, 98, 112, 126, 140
140 is the smallest number they have in common.
Answer:

Step-by-step explanation:
First, subtract 3x. This leaves you with jy=7-3x. Then, divide by j, leaving you with
.