One number is 4 for less than a second number. twice the second number is 19 more than three times the first. Find the two numbers

Question

Mathematics

Jasmine Wang

8 October, 03:00

One number is 4 for less than a second number. twice the second number is 19 more than three times the first. Find the two numbers

+1

Answers (1)

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Cheddar · Answer 1

Step-by-step explanation:

first number = x

second number = y

x = y - 4

2y = 3x + 19

substitute x to the second equation

2y = 3 (y-4) - 4

2y = 3y - 16

-y = - 16

y = 16

Go back to first equation

x = y - 4

x = 16 - 4

x = 12