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mote1985 [20]
3 years ago
14

Find the value of two numbers if their sum is 17 and their difference is 3.

Mathematics
1 answer:
AVprozaik [17]3 years ago
4 0

Step-by-step explanation:

x+y=17 (First equation)

x-y=3 (Second equation)

Solving Equation (i)

x+y=17

x=17-y(First equation)

Putting value of x in equation (ii)

x-y=3

x=3+y

17-y=3+y

17=3+y+y

17=3+2y

2y=17-3

y=14/2

y=7

Putting value of y in equation(i)

x=17-y

x=17-7

x=10

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