Question

Solve this simultaneous equation:


7x + 2y = 10
5x + 2y = 6​

Answer 1

Answer :-

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Q.1 :- 7x + 2y = 10

Sol :- 10 = 7x - 2y

10 = 5xy

xy = 10 / 5

(Ans) :- "xy = 2"

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Q.2 :- 5x + 2y = 6

Sol :- 6 = 5x - 2y

6 = 3xy

xy = 3 / 6

(Ans) :- "xy = 2"

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