document.write( "Question 821819: [ please help me solve this question. 2x-4y=-1 and y=x-1. they are to the same problem. I can't find the answer. please help me ] NOTE: apparently the problem asks you to find the intersection of the two lines, if any. \n" ); document.write( "

Algebra.Com's Answer #494439 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi,
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document.write( " 2x-4y=-1 &   
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document.write( "  y=x-1  
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document.write( "finding the point of Intersection or the 'solution' to this system of EQs
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document.write( " 2x - 4y = -1
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document.write( " 2x - 4(x-1) = -1  |Substituting for y   
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document.write( "    -2x +4 = -1
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document.write( "     -2x = -5
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document.write( "       x = (5/2)  and y = (3/2)  (x-1)
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document.write( "Pt (5/2, 3/2) is the solution for this system of EQs (the lines intersect at that point)
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