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my total is 10 my difference is 3


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Sagot :

1. x+y =10

2. x-y =3

adding these two equations:

(X+y)+(x-y) =10+3

2x=13

x=6.5

subtracting the second equations:

(x+y)-(x-y) =10-3

2y=7

y=3.5

so the two numbers are 6.5 and 3.5

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