Hi there!
Answer:
<u><em>=4x</em></u>
Step-by-step explanation:
Distributive property: ⇒ a(b+c)=ab+ac
You had to add similar elements.
9x-5x=4x
5x+4x=9x
9x-4x=5x
final answer: =4x
Hope this helps!
-Charlie
Have a great day!
Answer:
The answer is "3 km ".
Step-by-step explanation:
Distance in (km): 
Elevation value in (m): 

Answer:
Step-by-step explanation:
The triangle is isosceles with side WX equal to side WY:
WX = WY
9x -11 = 7x -3
2x = 8 . . . . . add 11-7x
x = 4
Then the side measures are ...
WX = WY = 7(4) -3 = 28 -3 = 25
XY = 4(4) +1 = 16 +1 = 17