5x+2y=13,7x-5y=26 cross multiplication method
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5x + 2y =13, (i)
7x-5y=26 (ii)
equation (i) multiple for 5 and equation (ii) multiple for 2;
25x +10y=65
14x - 10y=52
39x-0=117
x=117/39
x=3 ans
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