Answer:
x = 9
Step-by-step explanation:
Jane writes 7x
Andrew writes 5x + 18
The 2 expressions are equal , so
7x = 5x + 18 ( subtract 5x from both sides )
2x = 18 ( divide both sides by 2 )
x = 9
It equals 22.............
Answer:
the area of triangle ABC = 9
Step-by-step explanation:
Check the photo below for the details.
:)