document.write( "Question 479792: Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this.\r
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Algebra.Com's Answer #328745 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( "-8x – 4y = -68 
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document.write( "  x + 3y = 16
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document.write( "-8x – 4y = -68 
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document.write( " 8x + 24y = 128  |Multiplying 2nd EQ thru by 8 to eliminate x
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document.write( "      20y = 60
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document.write( "        y = 3  and x = 7  (x = -3*3 + 16)
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document.write( "Ordered pair Pt(7,3)is the solution for this INDEPENDENT system:See below
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document.write( "Lines intersect at Pt(7,3)
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document.write( "A consistent system has at least one solution.
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document.write( "An inconsistent system has no solutions.
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document.write( "An independent system has exactly one solution. ***
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document.write( "A dependent system has infinitely many solutions.
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