Question

Q2. Sam thinks of two numbers, x and y. He performs certain operations in the following order.
(i) adds 5x and 7y
(ii) multiplies the sum by 2
(ii) subtracts x - y from the product
What is the simplified result after operation (iii)?
A. 9x + 15y B. 9x + 13y C. 9x + 8y
D. 9x + 6y​

Answer 1

Answer:

see the answer

Step-by-step explanation:

5x + 7y

Don't know

Answer 2

Answer:

A. 9x + 15y

Step-by-step explanation:

the equation:

2(5x+7y) = x-y