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From first equation y = 3x + 5. Substitute this in second equation 2(3x + 5) = 6x + 10

This proves that 6x + 10 = 6x + 10 which is not helpful!

I suppose possible solutions would be x = 0, y = 5 or x = 1, y = 8 etc etc

Are you sure of your two equations, please?

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15y ago

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Q: Substittion for 3x equals y-5 and 2y equals 6x plus 10?
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