document.write( "Question 111177: Sir i need u help at the earliest .
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document.write( "1. Solve by elimination method:-
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document.write( "4x+5y=6
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document.write( "2/3x-5y=7\r
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document.write( "2.Solve by substitution method:-
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document.write( "5x+6y=7
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document.write( "7/8x+9/10y=3/4
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document.write( "thank u ........ \n" );
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Algebra.Com's Answer #81101 by solver91311(24713)![]() ![]() You can put this solution on YOUR website! I'll do one, you try the other one, and write back if you are still having trouble. \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( "Using the first equation, solve for y: \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( "Now substitute this value for y into the second equation: \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( "Now substitute this value of x into the first equation: \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( "Check: \n" ); document.write( " \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( "Ok, the next one is yours. Like I said, write back if you are still having trouble. Just remember to be very careful with your signs and with the arithmetic in general. \n" ); document.write( " |