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y = 5 - 2x so 4x + 6(5 - 2x) = -2 ie 4x + 30 - 12x = -2

Subtract 30 from each side: 4x - 12x = -32 ie -8x = -32 so x = 4 and y = -3

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Q: Y equals 5-2x and 4x plus 6y equals -2 solve by substitution?
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