Answer:
y = -3x
Step-by-step explanation:
Answer:
A) X + Y = 12
B) 10Y + x = 10x + Y -18
B) 9Y = 9x -18 multiplying A) by -9
A) -9Y = 9x - 72 adding A and B we get
0 = 18x -90
x = 5
The number is 75
Double-Check
7 + 5 = 12
75 -57 = 18
Step-by-step explanation:
Answer:
1 is A
2 is A
3 is none of the above
Step-by-step explanation:
1 drink 2/3 oj
12 drinks x
X= 2/3 • 12
X=24/3
X= 8 orange juice bottles
1 drink 1/4 pj
12 drinks X
X=12•1/4
X=12/4
X= 3 pineapple bottles
See attached files for detailed solutions