Answer:
x = 4
Step-by-step explanation:
7x + 8 = 5x + 16
- 8 = - 8
7x = 5x + 8
-5x = -5x
2x = 8
/2 = /2
x = 4
9514 1404 393
Answer:
18/49
Step-by-step explanation:
Invert and multiply:
3/7 ÷ 1 1/6 = (3/7) ÷ (7/6)
= (3/7)×(6/7) = (3×6)/(7×7)
= 18/49
Answer:
Step-by-step explanation:
If
, then ![t=x^{3}](https://tex.z-dn.net/?f=t%3Dx%5E%7B3%7D)
Now, puting
value in the other equation, we have
![y=x^{3} - 4](https://tex.z-dn.net/?f=y%3Dx%5E%7B3%7D%20-%204)
Therefore, is a cubic equation
Answer:
x = c - a / -b
Step-by-step explanation:
Answer:
There should be 35 student in her class altogether.