Question

А

8x - 12
D
KE
B.
20
3. ABCD is a rectangle. Use the properties of a rectangle to determine the value of x.
A. X = 5
B. X = 4
OC. x = -2
D. X = -1.5

Answer 1

`x = 4`

Explanation:

`AD = BC`

`8x - 12 = 20`

`8x = 20 + 12`

`8x = 32`

`(8x)/(8) = (32)/(8)`

`x = 4`

to be sure

`8x - 12 { = }^(?) 20`

`8 * 4 - 12 { = }^(?) 20`

`32 - 12 { = }^(?) 20`

`20 = 20`