nomigaming99 nomigaming99

17-11-2020
English

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Solve these simultaneous equations by substitution:
: 1 x + 3y = 11
2 4x - 7y = 6

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mrmeerarakesh mrmeerarakesh

17-11-2020

Explanation:

[tex]x + 3y = 11 \\ x = 11 - 3y \\ 24x - 7y = 6 \\ 24(11 - 3y) = 6 \\ 264 - 72y = 6 \\ 264 - 6 = 72y \\ 258 =72y \\ 258 = 72y \\ y = [/tex]

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