5x + 4y +3z = 14 x = 3z -22 z = 6 What is the y-value of the solution?
1 answer:
X = 3z - 22
z = 6
5x + 4y + 3z = 14
5 (3z - 22) + 4y + 3 (6) = 14
15z - 110 + 4y + 18 = 14
15 . 6 - 110 + 4y + 18 = 14
90 - 110 + 4y + 18 = 14
90 - 110 + 18 - 14 + 4y = 0
-16 + 4y = 0
4y = 16
y = 4
You might be interested in
Answer: i'm pretty sure it's option A
Answer: One inch represented 3 feet in the first scale, but now 1 inch now represents 4 feet in the second scale.
Answer: is it for math
Step-by-step explanation:
Answer:
less than, slope, higher (the rest in not sure)
Step-by-step explanation:
just guessing, could you please show the drop downs??
Answer:
1: 10x-5
2: 6.5w-3y
3: 15+3n
4: not sure
