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Vsevolod [243]
2 years ago
11

Please help work this equation

Mathematics
1 answer:
Flauer [41]2 years ago
4 0

Hi!

<u>Given these two equations:</u>

x = y + 8

x + 4 = 2(y + 4)

We want to solve using the substitution method. Knowing that x is equal to y + 8, we can simply plug in 'y + 8' in for x in the second equation, like so:

(y+8)+4=2(y+4)

Combine like terms on both sides:

y+12=2y+8

Subtract y from both sides:

12=y+8

Subtract 8 from both sides:

y=4

Now, we can simply plug the y value in to the first equation, and solve for x:

x=4+8

Simplify:

x=12

<h3>Therefore, x is equal to 12 and y is equal to 4.</h3>

<u>Learn more about the substitution (and also elimination!) method here:</u>

brainly.com/question/14619835

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Y is inversely proportional to x when y=9, x=24
Lisa [10]

Answer:

216

Step-by-step explanation:

y=k÷x

k=xy

k=9×24

k=216

7 0
3 years ago
Briainliest Simplify 15√90/√125<br> options<br> 9√2<br> 18√5<br> 18√2/5<br> 27√2/5
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Answer:

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3 0
2 years ago
Car A used 40.5 L of gasoline to travel 450 km. Car B used 18.7 L to travel 220 km. Circle the car with better fuel mileage. Jus
kvasek [131]

Answer:

Car B has the better fuel economy.

Step-by-step explanation:

Calculate the fuel consumption for the two cars:

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3 0
2 years ago
The sum of 4 consecutive intergers is 50, what is the first interger in this relationship
Vesnalui [34]

Answer:

x = 11

Step-by-step explanation:

Consecutive means in a row

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x+2 is the third

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x+ x+1 + x+2 + x+3 = 50

Combine like terms

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Subtract 6 from each side

4x+6-6 = 50-6

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Divide each side by 4

4x/4 = 44/4

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7 0
3 years ago
What is 30+11x-12-6x
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11x-6x=5x
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8 0
3 years ago
Read 2 more answers
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