document.write( "Question 207956: I need help with this question.\r
\n" ); document.write( "\n" ); document.write( "Solve using either elimination or substitution. If the system has either no solution or an infinite number of solutions, state this.\r
\n" ); document.write( "\n" ); document.write( "7x - 2y = 24
\n" ); document.write( "5x + 4y = 28
\n" ); document.write( "

Algebra.Com's Answer #157285 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
7x - 2y = 24 MULTIPLY THIS EQUATION BY 2 & ADD THEM.
\n" ); document.write( "5x+4y=28
\n" ); document.write( "14X-4Y=48
\n" ); document.write( "---------------------
\n" ); document.write( "19X=76
\n" ); document.write( "X=76/19
\n" ); document.write( "X=4 ANS.
\n" ); document.write( "7*4-2Y=24
\n" ); document.write( "28-2Y=24
\n" ); document.write( "-3Y=24-28
\n" ); document.write( "-2Y=-4
\n" ); document.write( "Y=-4/-2
\n" ); document.write( "Y=2 ANS.
\n" ); document.write( "PROOF:
\n" ); document.write( "5*4+4*2=28
\n" ); document.write( "20+8=28
\n" ); document.write( "28=28
\n" ); document.write( "
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