solve the following equation by elimination and cross multiplication method... 3x-4y=17, 4x-5y=21....solve Stp by stp... pls do.....
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hhhjhghhhhjjjjjjjjjjjjjjjjhjjii and find a nine BD is 612 of money and these the money left in my car da da bbbbbkjhhjjjhhh the money left over stuff
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