6) For the simultaneous equations 2x + 3y = 5 and 3x + 2y = 10, find x+y
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Question :-
2x+3y=5; 3x+2y=10
Find (x+y) and (x-y)
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Required Answer:-
Given equations:-
2x+3y=5 -(i)
3x+2y=10 -(ii)
solution:-
Add equation (i) and (ii)
2x+3y=5
+3x+2y=10
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5x+5y=15
x+y=3 -[Divide both the side by 5]
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Therefore,
value of x+y=3 and value of x-y=5
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