Question

Last one on test Parallelogram ABCD is a rectangle.

AX=3y−5

BD=5y



What is the value of y?

Answer 1

Answer: 10

Explanation:

2AX=BD

2(3y-5)=5y

6y-10=5y

add 10 to each side 6y+10-10=5y+10

6y=5y+10

subtract 5y from each side 6y-5y=5y-5y+10

6y-5y=y

y=10

Answer 2

Answer: 10

2AX=BD
2(3y-5)=5y
6y-10=5y
add 10 to each side 6y+10-10=5y+10
6y=5y+10
subtract 5y from each side 6y-5y=5y-5y+10
6y-5y=y
y=10