document.write( "Question 140546: Trying to help out young friend, I have been out of school for 25yrs and not sure if I am on the right path, young man is going to fail math and really needs help:\r
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document.write( "If y=x-2, find x in 4x+3y+78\r
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document.write( "This is what I got but not sure:\r
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document.write( "4x+3y=78
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document.write( "4(y-3)+3y=78
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document.write( "4y-6+3y=78
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document.write( "7y-6+6=78+6
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document.write( "7y=84
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document.write( "y=12\r
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document.write( "am I way of? Can't figure out how to get x+?\r
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document.write( "Please help, Thank you. \n" );
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Algebra.Com's Answer #102314 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! YOU MAKE A MISTAKE BY REPLACING X BY (Y-3) \n" ); document.write( "if y=x-2, find x in 4x+3y=78 IF THIS IS THE EQUATION??? BY REPLAXCING Y BY (X-2)4x+3(x-2)=78 \n" ); document.write( "4X+3X-6=78 \n" ); document.write( "7X=78+6 \n" ); document.write( "7X=84 \n" ); document.write( "X=12 ANSWER. \n" ); document.write( " |