Multiply eqn 1 by 3 and eqn 2 by 7 then adding them will cancel Y. and X can be found.
Answer:
A. The number of students who collected exactly 2 bottles.
Step-by-step explanation: I got this question on my test, and the answer was A.
100% verified! :D
2y=-8
We need to clear "y" with inverse operations.
y= -8/2 if 2 was multiplying now is dividing
y= -4
