Answer:
x=3
Step-by-step explanation:
2x-x=5-3+1
x=3
I think that's it
GCM of 8 and 9 is 72
6/9 = 64/72
7/8 = 63/72
1 1/72
If

, then angle

is obtuse and triangle with sides a, b, c is obtuse triangle.
In an arbitrary triangle can be only one obtuse angle, and the side which lies opposite to the largest angle is the largest. Then since <span>angle

is opposite the side of length a</span> you can conclude that a>c and a>b.