2x+y=35,3x+4y=65 cross multiplication
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Step-by-step explanation:
The given equations are
2x + y - 35 = 0 -(i)
3x + 4y - 65 = 9 -(ii)
x/(-65 + 140) = y/(-105 + 130) = 1/(8 - 3)
x/75 = y/25 = 1/5
x = 15, y = 5
So, the solution is (15, 5)
rashinandanwar2004:
bilaspur
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