(4/7)/(3/4) = x/1
cross multiply
3/4x = 4/7
x = 4/7 * 4/3
x = 16/21 <===
Answer:

Step-by-step explanation:

Answer:
First one equals -15
Second one equals -3
Step-by-step explanation:
(-4)*2 - 7
= (-8) - 7
= (-15)
(-4) + 1
= (-3)
Hopefully this helps.
Answer:
10
Step-by-step explanation: