the point of intersection of lines 3x+6y=9 and 7x-15y=2
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Answer:
3x +6y =9
=> X= (9-6y)/3 = 3-2y
7x - 15y= 2
=> X= (2+15y)/7
3-2y =( 2+15y) /7
=> 21-14y-2 -15y = 0
=> 23 - 29y =0
=> y= 23/29
X = 3 - (2× 23/29)
= (87- 46)/29 = 41/29
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