If x = a, y = b is the solution of the equations x + y = 5 and 2x – 3y = 4, then the values of
a and b are respectively
(a) 6, -1
(b) 2, 3
(c) 1, 4
(d) 19/5, 6/5If x = a, y = b is the solution of the equations x + y = 5 and 2x – 3y = 4, then the values of
a and b are respectively
(a) 6, -1
(b) 2, 3
(c) 1, 4
(d) 19/5, 6/5
Answers
Answered by
4
Answer:
d
Step-by-step explanation:
a+b=5 multiple by 2 2a+2b=10......(i)
2a-3b=4........(ii)
subtracting ii from I
5b=6
b=6/5
a+6/5=5
a=5-6/5
a=19/5
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