2y – x = 0; 10x + 15y = 105 solve the simultaneous equation​

Question

2y – x = 0; 10x + 15y = 105

solve the simultaneous equation​

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Isabella 4 weeks 2021-11-03T21:07:48+00:00 1 Answer 0 views 0

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    2021-11-03T21:08:51+00:00

    Answer:

    2y - x = 0 \\ x = 2y \\ inset \:  in \: other \:  \: s \\  \\ 10x + 15y = 105 \\ 10(2y) + 15y = 105 \\ 20y + 15y = 105 \\ 35y = 105 \\ y = 3 \\ as \: givem \\  \\  \\ xxx = 2y \: hencex = 6

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