Question

Substitute
x+y=5
x-y=10​

Answer 1

X+y=5. ————1
X-y=10. ———2

From 1
X=5-y. ——— 3

On substituting 3 in 2
5-y-y=10
-2y=5

Y=-2/5
=>x=27/5


I hope it’s correct

Answer 2

Answer:

The answer is x=15/2 & y=-5/2

Step-by-step explanation:

A.T.Q.

y=5-x.......(1)

x-y=10.......(2)

Putting the value of y in (2)

x-(5-x)=10

x-5+x=10

x+x=10+5

2x=15

x=15/2

Putting the value of x in (1)

y=5-15/2

y=(10-15)/2

y=-5/2

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