-1 divided by x
1 - x
X - 1
Answer:
-40×20
= -40/20
= -2
Step-by-step explanation:
Step-by-step explanation:
Multiply the first equation by 7 and the second by 2
A=1/2ab
Replace the variables with their value
15=1/2(3/2)b
Multiply 1/2 and 3/2

15=3/4b
Divide 3/4 on both sides
15/(3/4) is the same thing as

45/4=b