document.write( "Question 470828: Solve the system by the method of elimination.\r
\n" ); document.write( "\n" ); document.write( "{-0.04x+0.04y=0.03
\n" ); document.write( "{-0.02x+0.04y=0.2\r
\n" ); document.write( "\n" ); document.write( "a.(5,23/4)
\n" ); document.write( "b.inconsistent
\n" ); document.write( "c.(9,19/2)
\n" ); document.write( "d.(a,3+4a/4) (dependent)
\n" ); document.write( "e.(17/2,37/4)
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Algebra.Com's Answer #322948 by Tatiana_Stebko(1539)\"\" \"About 
You can put this solution on YOUR website!
\"system%7B-0.04x%2B0.04y=0.03%2C-0.02x%2B0.04y=0.2%29\"
\n" ); document.write( "Subtract the first equation from the second
\n" ); document.write( "\"-0.02x-%28-0.04x%29=0.2-0.03\"
\n" ); document.write( "\"0.02x=0.17\" divide by 0.02
\n" ); document.write( "\"x=0.17%2F0.02\"
\n" ); document.write( "\"x=17%2F2\"
\n" ); document.write( "Put \"x=17%2F2\" into the first equation
\n" ); document.write( "\"-0.04%2A%2817%2F2%29%2B0.04y=0.03\"multiply both sides of equation by 100
\n" ); document.write( "\"-4%2A%2817%2F2%29%2B4y=3\"
\n" ); document.write( "\"-34%2B4y=3\"
\n" ); document.write( "\"4y=3%2B34\"
\n" ); document.write( "\"4y=37\" divide by 4
\n" ); document.write( "\"y=37%2F4\"
\n" ); document.write( "Answer e.(17/2,37/4)
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