SECTION B
Question numbers 16 to 19 carry 2 marks each.
Q 16. Solve the pairs of linear equation by elimination method.
2x + 7y-11 = 0, 3x - y - 5 = 0
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hey mate here is your answer....
2x+7y-11=0, 3x-y-5=0
3(2x+7y-11=0)
2(3x-y-5=0)
......now the new equations are...
6x+21y-33=0
6x-2y-10=0
eliminating....
19y-43=0
19y=43
y=43/19
putting value of y in the equation
6x-2*43/19-10=0......
if my calculations are wrong then check it....
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