BeautifulChaos BeautifulChaos

23-05-2016
Mathematics

contestada

a first number plus a second number is 10. Twice the first number plus the second totals 26.

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RoseWhite RoseWhite

24-05-2016

1st number = x
2nd number = y

2x + y = 26
-
x + y = 10

x = 16

26 - (2 x 16) = -6

10 - 16 = -6

Number 1 is 16
Number 2 is -6

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