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Ahsan Ahmad · Answer 1 · 2019-11-10T15:07:34+0000

Cramer's rule seems appropriate for this, since the graph shows fractions with unusual denominators.
x = (-7*40 -14*18)/(-7*9 -4*14) = -532/-119 = 4 8/17
y = (18*9 -40*4)/-119 = -2/119

(x, y) = (76/17, -2/119)

Solve the linear equation with any method. 4x-7y=18 9x+14y=40-example-1

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