Answer: x=2
Step-by-step explanation:
first subtract 3x from both sides
then your equation will be 8x-7=9 then you will add 7 to both sides getting 8x=16 then divide both sides by 8 and x=2
Answer:
D.
Step-by-step explanation:
Step-by-step explanation:
According to the pythagrean equation, it should be

8² = 6² + BC²
64 = 36 + BC²
BC² = 28
BC = ✓28 = 5.29
Answer:
76
Step-by-step explanation: