Question

solve for x
(21x-9)
27
x=​

Answer 1

Answer:

3(7x-3)

Step-by-step explanation: I factor it.

Answer 2

Answer:

x = 6

Step-by-step explanation:

∠ AFB and ∠ EFC are vertically opposite angles and are congruent , then

21x - 9 = 117 ( add 9 to both sides )

21x = 126 ( divide both sides by 21 )

x = 6