marlenegonzalep6j6zx marlenegonzalep6j6zx

02-04-2018
Mathematics

contestada

The sum of two numbers is 7.If one number is subtracted from the other, the result is negative 3.Find the numbers.

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Ashley393 Ashley393

02-04-2018

The numbers are 5 and 2.

5 + 2 = 7

5 - 2 = -3

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idkwhat1 idkwhat1

02-04-2018

x-y= -3 ---> x=-3+y
x+y=7
plug x

-3+2y=7
2y=10
y=5

plug y into any equation

x+5=7
x=2

2 and 5

Answer Link

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