document.write( "Question 414640: im using substitution
\n" ); document.write( " what is the answer for 2x-y=-4
\n" ); document.write( " -3x+y=44\r
\n" ); document.write( "\n" ); document.write( "what is the answer for c-5d=2
\n" ); document.write( " 2c+d=4\r
\n" ); document.write( "\n" ); document.write( "what is the answer for 5r-s=5
\n" ); document.write( " -3x+y=15 \n" ); document.write( "

Algebra.Com's Answer #290853 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( " solving system using substitution method
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document.write( "2x-y = -4 OR y = 2x+4
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document.write( "-3x+y=44 
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document.write( "-3x + (2x+4)= 44
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document.write( "   -x = 40
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document.write( "    x = -40 and y = -76   (2*-40 + 4)\r
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document.write( " c-5d=2  OR c = 5d + 2
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document.write( "2c + d =4 
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document.write( "2(5d+2) + d = 4
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document.write( "      11d = 0
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document.write( "        d = 0  and c = 2 \n" );
document.write( "

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