Answer:
y= -1; x=5
Step-by-step explanation:
Replace the x in the first equation with x=1-4y
2(1-4y)+7y=3
2-8y+7y=3
-y=1
y= -1
x=1-4(-1))
x=5
Hope this helps
Answer:
For part 6: 39
Step-by-step explanation:
You have your starting number and then it gets added to a product of two numbers. 8 + (2x2) = 12. 12 + (2x3) = 18. 18 + (3x3) = 27. 27 + (3x4) = 39. That is the most logical answer I was able to find.
Answer:
12 nickels and 4 dimes
Step-by-step explanation:
5 x 12 = 60 cents
10 x 4 = 40 cents
_______
100 = 1 dollar
12-13= yx this is that expression