Answer:
x = 7
Step-by-step explanation:
divide the five on both sides, and you get x = 7
best of luck!
The exact mangitude of the BC would be
Answer:
28x-35
Step-by-step explanation:
Subtract x^2 leaving -16 and 4x^2 on the opposite side,
-16=4x^2
Divide.
-4=x^2
Square root.
x=2