cman8228
26.06.2019 •
Mathematics
The sum of two numbers is 44 and the difference is 4 . what are the numbers?
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Ответ:
The 2 numbers are 24 and 20
Step-by-step explanation:
x+y = 44
x-y =4
Use elimination to solve this system
x+y = 44
x-y =4
2x = 48
Divide by 2
2x/2 = 48/2
x = 24
Now we need to find y
x+y =44
24+y =44
Subtract 24 from each side
24-24+y = 44-24
y =20
Ответ:
It is better to use completing the square method to solve this quadratic equation.