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svetoff [14.1K]
3 years ago
10

the sum of three times one number, x, and five times a second number,y, is 77. if the sum of the two numbers is 19, find the two

numbers
Mathematics
1 answer:
HACTEHA [7]3 years ago
5 0

Answer:

x=9, y=10. (9, 10). The two numbers are 9 and 10.

Step-by-step explanation:

3x+5y=77

x+y=19

------------------

3x+5y=77

-3(x+y)=-3(19)

---------------------

3x+5y=77

-3x-3y=-57

-------------------

2y=20

y=20/2

y=10

x+10=19

x=19-10

x=9

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