document.write( "Question 558512: x+3y=9
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document.write( " x+y=1 combine llike terms 4y=9
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document.write( " divide by 4 y=2.25
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document.write( " substitute x+2.25=1
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document.write( " i think that's wrong help please
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Algebra.Com's Answer #363088 by scott8148(6628) You can put this solution on YOUR website! subtracting equations ___ x + 3y - x - y = 9 - 1 ___ 2y = 8\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "solve for y and substitute back to find x \n" ); document.write( " |