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Rudik [331]
2 years ago
12

5a+c=-8a, solve for a

Mathematics
2 answers:
Alex2 years ago
8 0
C=-8a-5a
C=-3a
C/3=-3a/3
a=C/3
VMariaS [17]2 years ago
6 0

Answer:

a=-1/13c

Step-by-step explanation:

5a+8a=-c

13a=-c

a=-1/13c

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Barbara charges $3.50, plus $2.25 for each hour she babysits. If Barbara charges $21.50, how many hours does she babysit?
MAVERICK [17]

Answer:

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Step-by-step explanation:

The equation is 2.25X + 3.50 = 21.50

X represents the unknown amount of hours she worked. 2.25 is the cost per hour. 3.50 is the fee she charges for every gig. That fee only happens once a gig so naturally it wasn't the number x was placed with.

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3 years ago
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gulaghasi [49]

Answer:

84ft

Step-by-step explanation:

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