Question

x+y=10
x-y=5
Find x and y​

Answer 1

Step-by-step explanation:

Answer

From the question

x + y = 10

x - y = 5

........................

2x = 15

........................

2x = 15

x = 15/2

x = 7.5

Substitute the value of 'x' in any of the equations

x + y = 10

7.5 + y = 10

y = 10 - 7.5

y = 2.5

Therefore

x = 15 and y = 2.5

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Answer 2

x+y = 10

x-y=5

Adding eqns

2x=15

x=7.5

Put x=7.5 in eqn 1

x+y=10

y=10-7.5

y=2.5