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Zielflug [23.3K]
3 years ago
10

-3x+2-5x-7=4x+2 what is the first step solve this equation?

Mathematics
1 answer:
Triss [41]3 years ago
5 0

Answer: x = -0.58

Step-by-step explanation:

-3x+2-5x-7=4x+2

First step, collect like terms

-3x -5x-4x = 2-2+7

-12x = 7

x = 7/-12

x = -0.58

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T=number of years since start of the study.
y=city´s population.

first year:
y=390,000+0.073(390,000)=390,000(1+0.073)    (=418470)

Second year:
y=(390,000(1+0.073)  + 0.073(390,000(1+0.073) =
 =390,000(1+0.073) (1+0.073)
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Third year: if you calculate it you would have:
y=390,000(1+0.073)³

Fourth year: if you compute it you would have:
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t th year:
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Answer: y=390,000(1+0.073)^t
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3 years ago
137 students went on a field trip. five buses were filled and 7 students traveled in cars.
Veseljchak [2.6K]

Answer:

Step-by-step explanation:

if we have 137 students, and out of this number 7 were in cars

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Rami is sketching drawings for his friends.He creates 5 sketches each hour.Write a ratio,in lowest terms ,that compares the numb
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Answer:

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Step-by-step explanation:

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