Question

Find xy if x+y=6 and x-y=4

Answer 1

Both lines are intersecting at point (5, 1).

Step-by-step explanation:

The given equations are-

x + y = 6         --------------- 1

x - y = 4          --------------- 2

Adding both equations  

(x + y) + (x - y) = 6 + 4

x + y + x -y = 10

2x = 10

x = 5

Put x = 5 in equation 2

x - y = 4

5 - y = 4

-y = 4 - 5

-y = -1

y = 1

Hence, both lines are intersecting at point (5, 1)

Answer 2

Answer:

x=5 and y=1

Step-by-step explanation:

x+y=6

5+1=6

x-y=4

5-1=4

therefore x=5

y=1

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