Answer:
4
Step-by-step explanation:
use pythagoeron theorem
9^2-7^2=x^2
x^2=32
x=4
858 i believe...
546/7
78 x 4 (compound a)
312 + original compound b (546)
Hope I helped!
Giving me brainliest is much appreciated! =)
Im not sure, but i will try to get back to you
The answer to your question is:
1/3x + 1/2x = x - 9