Answer: a=9, b=1
Explanation:
Let's assume the two numbers as number a, and number b.
a+b= 10
b-a= -8
a= b+8
a= 10-b
a=a
b+8= 10-b
b+b=10-8
2b= 2
b= 1
b= a-8
b= 10-a
b=b
a-8=10-a
a+a=10+8
2a= 18
a= 9
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