document.write( "Question 109906: I need some help PLEASE!!!!\r
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document.write( "solve each of the following by substitution\r
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document.write( "8x-4y=16
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document.write( "y=2x-4\r
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document.write( "Thanks
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document.write( "Heather \n" );
document.write( "
Algebra.Com's Answer #80088 by tutorcecilia(2152)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Substitute y=2x-4 back into the first equation and solve for the x-term \n" ); document.write( "8x-4(2x-4)=16 \n" ); document.write( "8x-8x+16=16 \n" ); document.write( "0+16=16 \n" ); document.write( "=16-16 \n" ); document.write( "0=0 \n" ); document.write( "Solution: Infinate solutions; same line \n" ); document.write( " \n" ); document.write( " |