Answer:
DB = 82
Step-by-step explanation:
3x + 8 + 4x + 10 = 8x
7x + 18 = 8x
18 = 8x - 7x
18 = x
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DB: 4x + 10
4 (18) + 10 = 82
Answer:
we should take common first
3n+12
taking 3 common
3(n+4)
Answer:
-40
Step-by-step explanation:
you have to divide by -5/8 to get x alone. so you do 25 divided by -5/8 to get -40
Answer:
D. is not necessary
Step-by-step explanation:
12 in=60 feet
15 in =75 feet