-2x=4x+9 |-4x
-6x=9 |:(-6)
x=-1,5
Check:
-2*-1,5=4*-1,5+9
3=-6+9
3=3
Answer:
9/5
1 4/5
Step-by-step explanation:
24h + 18f = 88.50
28h + 9f = 88.25.....multiply by -2
---------------------
24h + 18f = 88.50
-56h - 18f = - 176.50 (result of multiplying by -2)
--------------------add
-32h = - 88
h = -88/-32
h = 2.75 <===
Answer:
Isosoles <em>triangleddndnndnendndne</em>
161.5 miles / 3.5 hrs = 46.143 mph