Topic : Linear equations in two variables.
Given :
- 2x - y = 3 ––– (i)
- - x - y = 3 ––– (ii)
Solution :
Now,
(i) – (ii)




Now, substituting the value of x in Eq (i) :




Therefore,
- <u>The value of x = 0 and y = -3</u>
Answer:
28
Step-by-step explanation:
The product of -4 and the unknown number n is -4n.
4 more than the product of -4 and the unknown number n is -4n + 4.
Letting n = -6 results in the value -4(-6) + 4, or 24 + 4, or 28.
Answer:
16.1% is the percentage decrease.
Step-by-step explanation:
We are given the following in the question:
Visitors in February = 1,562
Visitors in march = 1,310
We have to find the percentage decrease of the number of visitors to Alec's website from February to March.
Percentage decrease =

Thus, 16.1% is the percentage decrease in the number of visitors to Alec's website from February to March.