document.write( "Question 317461: I have a problem in my math lab that I can not figure out here is what I have so far...\r
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document.write( "Solve by substitution method\r
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document.write( "3x+8y=18
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document.write( "-5x+y=13
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document.write( "solve for y, Y=13+5x\r
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document.write( "3x+8(13+5x)=18\r
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document.write( "remove the parenthesis\r
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document.write( "3x+104+40x=18\r
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document.write( "What is the coefficient of x? 43\r
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document.write( "Now solve for x. \r
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document.write( "The answer for x is -2 but I do not know how to get this answer can you please show me what i am doing wrong.\r
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document.write( "The answer I get is this 43x=132 \r
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document.write( "Thank you \n" );
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Algebra.Com's Answer #227330 by Fombitz(32388)![]() ![]() You can put this solution on YOUR website! You added instead of subtracted. \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |