If 2x(x-y)=54 and x=9, then y= A. 6 B. 3 C. 2 D. 1

asked Apr 26, 2022 22.7k views

13 votes

If 2x(x-y)=54 and x=9, then y=

A. 6
B. 3
C. 2
D. 1

4.2k points

Please log in or register to add a comment.

11 votes

Im guessing it’s A but I’m not really sure hopefully it’s right

Bschauer answered Apr 27, 2022

4.8k points

11 votes

Answer:

A. 6

Explanation:

$2x(x - y) = 54 \\ 2(9)(9 - y) = 54 \\ 18(9 - y) = 54 \\ 9 - y = (54)/(18) \\ 9 - y = 3 \\ y = 9 - 3 \\ y = 6$

5.0k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.2m questions

6.7m answers