3 years ago

The sum of two numbers is 15.

Mathematics

2 answers:

Blizzard [7]3 years ago

3 0

Answer:

Step-by-step explanation:

15-8=7 this is how you answer it

Nataliya [291]3 years ago

3 0

Answer:

11.5 and 3.5

Step-by-step explanation:

a+b=15

a-b=8

equating them we get,

2a=23

a=11.5

placing value of b in a-b=8

11.5-b=8

b=3.5

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