Question

Given ABCD, find the length of .

Answer 1

@iGreen

Answer 2

It's the same as AD.

12 + 2x = 3 + 5x

Solve for 'x', then plug it back in.

Subtract 12 to both sides, what's 3 - 12?

Answer 3

sorry looking at stuff

Answer 4

answers -9

Answer 5

Yes, so we have:

2x = -9 + 5x

Subtract 5x to both sides, what's 2x - 5x?

Answer 6

-3

Answer 7

Yes, so we have:

-3x = -9

Divide -3 to both sides, what's -9 / -3?

Answer 8

3 is the answer

Answer 9

thanks green

Answer 10

No, x = 3.

We have to plug this back into side BC

Answer 11

oohhhhhhhhh okok

Answer 12

3 + 5x

3 + 5(3)

Multiply and add

Answer 13

24

Answer 14

No..

Answer 15

Multiply 5 *3 then ad 3

Answer 16

*add

Answer 17

oh my fault

Answer 18

18

Answer 19

Correct