Question

X+Y=5 andX_Y=10 then find solution​

Answer 1

Answer:

x=7.5 and y= 2.5

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Answer 2

Step-by-step explanation:

x + y = 5

x - y = 10

___________

==> 2y = -5

==> y = - 5 / 2

y = - 2.5

Now "y" value substitute in any of the equation

x + y = 5

x + ( - 2.5 ) = 5

x - 2.5 = 5

x = 5 - 2.5

x = 7.5

from eqn 2

x - y = 10

x - ( - 2.5 ) = 10

x + 2.5 = 10

x = 10 - 2.5

x = 7.5

Hence ,

x = 7.5

So ,

X = 7.5 and y = - 2.5