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HELP The sum of two numbers is 25 and their difference is 1. Write and solve the system of equations to find the two numbers Big
Question
HELP The sum of two numbers is 25 and their difference is 1. Write and solve the system of equations to find the two
numbers
Biggest Number =
Smallest Number =
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Mathematics
4 years
2021-08-07T06:19:41+00:00
2021-08-07T06:19:41+00:00 1 Answers
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Answers ( )
Answer:
Biggest number = 13
Smallest number = 12
Step-by-step explanation:
x + y = 25… eqn 1
x – y = 1…. eqn 2
subtract equation 2 from 1
x + y = 25
-x – y = 1
—————
2y = 24
divide both sides by 2
y = 24/2
y = 12
substitute y=12 into equation 2
x – 12 = 1
x = 12+1
x = 13