weronikaborkowska7 weronikaborkowska7

15-10-2020
Mathematics

contestada

Given that R = 3x + 9y
Find x when y = 6 and R=7
Give your answer as an improper fraction in its simplest form.

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Bbbumblebee123 Bbbumblebee123

15-10-2020

Answer:

Step-by-step explanation:

R = 3x + 9y

They told us that R = 7, y = 6

So you can rewrite the equation as:

R = 3x + 9y

7 = 3x + 9(6)

7 = 3x + 54

Subtract 54 from both sides.

7 - 54 = 3x

-47 = 3x

To find x, you need to divide both sides by 3

3x = -47

x = -47/3

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Please need help on this thank you

if the population of a state is 1,821,000 and is decreasing by 0.2% every year. what will the population be in 5 years? round to the nearest whole number.