x+y=14,x-y=4 पतिस्थापन विधि
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by elimination method:-
adding eqn (1) & (2) -
2x = 18
x = 9
putting value of x in eqn (2) -
9-y = 4
y =5
adding eqn (1) & (2) -
2x = 18
x = 9
putting value of x in eqn (2) -
9-y = 4
y =5
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