3 years ago

The sum of two numbers is 14 and their difference is 4

Mathematics

2 answers:

nadya68 [22]3 years ago

8 0

Answer:

Numbers are 9 and 5

Step-by-step explanation:

x + y = 14

x - y = 4

Rewrite 1st equation

x = 14 - y

Put this into the other

14 - y - y = 4

14 - 2y = 4

14 = 4 + 2y

10 = 2y

y = 5

x + y = 14

x + 5 = 14

x = 9

Check answers both equations!!

9 + 5 = 14 Correct

9 - 5 = 4 Correct

Dimas [21]3 years ago

5 0

Answer:

Step-by-step explanation:

10+4 is 14 amd 14-4 is 10

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