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20 votes
20 votes
One number is three less than a second number. Four times the first is 10 more than 6 times the second. Find the

numbers.
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User Emmanuelguther
by
2.4k points

1 Answer

9 votes
9 votes

Explanation:

x = y - 3

4x = 6y + 10

let's multiply the first equation by -4 and then add both equations :

-4x = -4y + 12

4x = 6y + 10

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0 = 2y + 22

2y + 22 = 0

2y = -22

y = -22/2 = -11

x = y - 3 = -11 - 3 = -14

User Ske
by
2.3k points