document.write( "Question 33528: 2v+3w=60 0.5v+4w=40 i need help solving it \n" ); document.write( "

Algebra.Com's Answer #19931 by mukhopadhyay(490) $\"\"$ $\"About$

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2v+3w=60 .......(1)
\n" ); document.write( "0.5v+4w=40 .....(2)
\n" ); document.write( "Multiply (2) with -4:
\n" ); document.write( "-2v -16w = -160 ....(3)
\n" ); document.write( "Add (3) to (1):
\n" ); document.write( "-13w = -100
\n" ); document.write( "=> w = 100/13;
\n" ); document.write( "From (2):
\n" ); document.write( ".5v+4w=40 =>.5v=40-4w => v=80-8w => v = 80-8(100/13) => v = 240/13;
\n" ); document.write( "Answer: (v,w) = (240/13, 100/13) \n" ); document.write( "

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