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IgorLugansk [536]
3 years ago
10

7+2x /3 = 5 Thx.......................

Mathematics
2 answers:
OleMash [197]3 years ago
7 0

Answer:

x=-3

Step-by-step explanation:

Use PEMDAS to solve. Balance both sides by subtracting 7 from both sides. Then, multiply both sides by 3. Finally, divide the result by 2 to isolate x and you end up with x=-3

mote1985 [20]3 years ago
4 0

Answer:

x= -3

Step-by-step explanation:

7+\frac{2x}{3} = 5

21+2x=15

2x=-6

x= -3

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a movie ticket used to cost $4.25 back in 1990. inflation exist because products increase in value over time. the inflation rate
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In the year 1998, movie tickets will be greater than $5.50 as determined by solving the equation y=4.25[(1.035)^x].

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A movie ticket cost $4.25 in 1990.

The inflation rate is about 3.5%

Rate increased ,r=100%+3.5%=103.5%=1.035

equation generated is,

y=4.25[(1.035)^x]

Solving the equation for each year, we get the following data:

Tabulating the data

Year         cost

1990         4.25

1991          ....

....              ....

1998          5.5964~ 5.6

In the year 1998, the will be greater than $5.50.

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