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2015-09-17T08:55:32+08:00

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Equation of the Line in standard form (please note that coefficients of x and y should not be fraction):  ax + by = c,  where a and b should not be zero at the same time.

1)  9x - y = 40
2.)  6x + y = 99
3)  4x-y = -21
4)  6y + y = -4
5)  3x - y = -13
6) 4x + 5y = 39
7) 2x + 3y = -9
8) x - 3y = 3
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