2 years ago

Answer for brainliest asap

Mathematics

1 answer:

V125BC [204]2 years ago

3 0

Answer:

$x = 8 \\ y = 9$

Step-by-step explanation:

$2y = x + 10 \\ y = 2x - 7 \\$

since they gave us a value for y in the second equation, we can input it into the first equation. so...

$2(2x - 7) = x + 10 \\ 4x - 14 = x + 10 \\ 4x - x = 10 + 14 \\ 3x = 24$

$\frac{3}{3} x = \frac{24}{3} \\ x = 8$

Since x is 8 we can find y by substituting 8 for x

$y = 2x - 7 \\ y = 2(8) - 7 \\ y = 16 - 7 \\ y = 9$

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24 less than 4 times a number is 60. what is the number?

kondaur [170]

Hey there! :D

Make an algebraic expression.

Let the 'number' equal x.

4x-24= 60

Add 24 on both sides.

4x= 84

Divide both sides by 4.

x=21

The number is 21.

I hope this helps!
~kaikers

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