The solution of the equations x + y = 14 and x – y =4 is
(a) x = 9 and y = 5
(b) x = 5 and y = 9
(c)x = 7 and y = 7
(d) x = 10 and y = 4
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The solution of the equations x + y = 14 and x – y =4 is
(a) x = 9 and y = 5
(b) x = 5 and y = 9
(c)x = 7 and y = 7
(d) x = 10 and y = 4
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Answer:
Answer is a) x =9 and y =5 bcoz 9+5=14 and 9-5=4
Verified answer
Answer:
Option (a) is correct
Step-by-step explanation:
x + y = 14......[1]
x - y = 4.........[2]
Adding 1 and 2 equation
2x = 18
x = 9
Put x = 9 in [1]
9 + y = 14
y = 14 - 9
y = 5