When you multiply the first equation by 3, you get:
3 × 3x = 9x
3 × y = 3y (but when added, that part gets eliminated)
3 × 3 = 9
So you end up with
9x + 3y = 9
x - 3y = -2
(add)
10x = 7
So your answer is B. 10x = 7. I hope this helps!
Answer: the answer will be 24/15
Step-by-step explanation:
The total number of copies that have been sold till date are: 517284
Step-by-step explanation:
Let x be the total number of copies sold
Then
41900 is 801 percent of x
This can be mathematically written as

Rounding off to nearest whole number
517284
Hence,
The total number of copies that have been sold till date are: 517284
Keywords: Percentage, Percent
Learn more about percentage at:
#LearnwithBrainly
Answer:
7+W÷6=4
Step-by-step explanation:
Answer:
Sqrt 26 = 5.1
Step-by-step explanation:
Sqrt [(1-6)^2 + (3-2)^2]
= sqrt (25+1) = sqrt 26 = 5.1