If 63x + 71y = 311 , 71x + 63y = 359, then x + y is
Answers
Answered by
5
Step-by-step explanation:
63x + 71y = 311 ____ 1
71x + 63y = 359 ____ 2
Adding eqn 1 and 2
63x + 71y = 311
+ 71x + 63y = 359
________________
134x + 134 y = 670
x + y = 5
Answered by
1
SOLUTION
GIVEN
63x + 71y = 311 , 71x + 63y = 359
TO DETERMINE
The value of x + y
EVALUATION
Here the given system of equations are
63x + 71y = 311 - - - - - (1)
71x + 63y = 359 - - - - - (2)
Adding Equation 1 and Equation 2 we get
FINAL ANSWER
Hence the required value of x + y = 5
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