Answer:
a=3
Step-by-step explanation:
x – 2y = 4
ax– 6y = 12
To have infinitely many solutions, the two equations have to be equal
Multiply the first equation by 3
3x -6y = 12
ax -6y = 12
a = 3
Y=-7x-5
9=-7(-2)-5
9=14-5
9=9
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Answer:
Step-by-step explanation:
dtttttttttbccccccccccisssssssserrrrrrrrr774444444444
THE CORRECT ANSWER IS:
Mary sells 43 units; Jay sells 51 units; Abby sells 54 units
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