document.write( "Question 38919: 4. Find values for m and b in the following system so that the solution to the system is (-3,4).\r
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document.write( "5x + 7y = b\r
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document.write( "mx + y = 22\r
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Algebra.Com's Answer #29041 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! We have to plug in -3 for x and 4 for y...we get \n" ); document.write( "5(-3) + 7(4) = -15 + 28 = 13 = b \n" ); document.write( "and then \n" ); document.write( "-3m + 4 = 22 \n" ); document.write( "-3m = 18 \n" ); document.write( "m = -6 \n" ); document.write( " |