7. in the diagram below, ab is parallel to de. ab = 20 inches, de = 12 inches, and bc = 15 inches.
what is the length of dc

the infinity sign

step-by-step explanation:

step-by-step explanation:

the solution is x=1

step-by-step explanation:

we are given our   equation as

let's assume

left side function is

right side function is

now, we can draw graph

and then we can get intersection point

the intersection point will be solution

so, the solution is

x=1

the answer is b