if 10y = 7x - 4 and 12 x + 18y = 1 find the value of 4x + 6y and 8y - x
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If 10y = 7x - 4 and 12x + 18y = 1; find the values of 4x + 6y and 8y - x. Solution 12. 10 y = 7x - 4. -7x + 10y = -4...(1). 12x + 18y = 1 ...
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