mmartinez27819 mmartinez27819

25-09-2016
Mathematics

contestada

The sum of two numbers is 18. Three times the larger less the smaller equals 22. Find each of the numbers.

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Panoyin Panoyin

25-09-2016

x + y = 18 → 3x + 3y = 54
x - 3y = 22 → x - 3y = 22
4x = 76
4 4
x = 19
x + y = 18
19 + y = 18
- 19 - 19
y = -1
(x, y) = (19, -1)

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