document.write( "Question 66143: This problem is from a correspondence class. I know that it should be simple, but I just can't figure it out right now. Please provide some help.\r
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document.write( "Sove for X and Y in the following problems:
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document.write( "a. X + Y = 6; 2X + Y = 8
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document.write( "b. 7X + 3Y = 14; 5X + 9Y = 10
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document.write( "c. 4X + Y = 16; 2X + 3Y = 24
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document.write( "d. 12X + Y = 25; 8X - 2Y = 14\r
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document.write( "Thank you for your help. \n" );
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Algebra.Com's Answer #46872 by venugopalramana(3286)![]() ![]() You can put this solution on YOUR website! This problem is from a correspondence class. I know that it should be simple, but I just can't figure it out right now. Please provide some help. \n" ); document.write( "Sove for X and Y in the following problems: \n" ); document.write( "a. X + Y = 6; 2X + Y = 8 \n" ); document.write( "b. 7X + 3Y = 14; 5X + 9Y = 10 \n" ); document.write( "c. 4X + Y = 16; 2X + 3Y = 24 \n" ); document.write( "d. 12X + Y = 25; 8X - 2Y = 14 \n" ); document.write( "ALL ARE OF SIMILAR TYPE..LET ME SHOW YOU ONE \n" ); document.write( "LET US TAKE B. \n" ); document.write( "7X+3Y=14................1 \n" ); document.write( "5X+9Y=10..................2 \n" ); document.write( "WE EQUATE COEFFICIENTS OF ONE VARIABLE...SAY...X..SO MULTIPLY EQN.1 \n" ); document.write( "WITH 5 AND EQN.2 WITH 7 AND SUBTRACT \n" ); document.write( "5*EQN.1-7*EQN.2 \n" ); document.write( "35X+15Y-35X-63Y=5*14-7*10=70-70=0 \n" ); document.write( "-48Y=0 \n" ); document.write( "Y=0...PUT IT IN EQN.1 \n" ); document.write( "7X+3*0=14 \n" ); document.write( "X=14/7=2 \n" ); document.write( "SIMILARLY TRY OTHER PROBLEMS IF IN DIFFICULTY PLEASE COME BACK \n" ); document.write( " |