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2 years ago

The sum of two numbers is 1. The difference of the numbers is 9. What are 5 points

Mathematics

1 answer:

Svetradugi [14.3K]2 years ago

7 0

Answer:

The numbers are 5 and -4

Step-by-step explanation:

let the numbers be =x and y

x+y=1—eqn 1

x-y=9—eqn 2

Add both equations

2x=10

x=5

Plug x=5 into eqn 2

5-y=9

5-9=y

y=-4

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