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Lostsunrise [7]
2 years ago
13

Answer the 3 questions PLEASE

Mathematics
1 answer:
IRINA_888 [86]2 years ago
3 0

Answer:The answer is 62.5.

Step-by-step explanation:

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One number added to three times another number is 24. Five times the first number added to three times the other number is 36. F
Lera25 [3.4K]
Okay, so the equations would be:
x + 3y = 24
3y + 5x = 36

Imma use Substitution to solve this:
x = -3y + 24

3y + 5(-3y + 24) = 36
3y - 15y + 120 = 36
-12y + 120 = 36
-12y = -84
y = 7

x = -3(7) + 24
x = -21 + 24
x = 3

So the first number (x) would be 3 and the second number (y) would be 7.
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