solve the simultaneous equation x-5y =0, 15x + 10y = 17
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Solving quadratic equations. ... x + 5y = 0 (2) 2x + 10y = 0 (3) 2x + 3y = 7 (1) 10y – 3y = 0 -7 7y = - 7 y = -1 x + 5y = 0 x + 5(-1) = 0 x ...
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