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    maryroy's Avatar
    maryroy Posts: 1, Reputation: 1
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    #1

    Jul 7, 2011, 10:29 AM
    solve 7x+8y=6, 3x-4y=10
    solve 7x+8y=6, 3x-4y=10
    deem_p's Avatar
    deem_p Posts: 1, Reputation: 1
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    #2

    Jul 7, 2011, 10:45 AM
    Just sum up the first equation woth the double of the second equation ==>> 7x+6x+8y+(-8y)=6+20
    13x = 26 , x = 2
    then substitute 2 for x in eny of the two equations and find y (-1)
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