document.write( "Question 624841: method of usbstitution
\n" ); document.write( "1:a=5-2b
\n" ); document.write( "5a+2b=1
\n" ); document.write( "2: 2m+n=0
\n" ); document.write( "m+2n=3
\n" ); document.write( "3: x+y=4
\n" ); document.write( "2x-y=5
\n" ); document.write( "4: y-2x=1
\n" ); document.write( "3x-4y=1
\n" ); document.write( "5: a-2b=9
\n" ); document.write( "2a+3b=4
\n" ); document.write( "6: x+2y=7
\n" ); document.write( "3x-2y=3
\n" ); document.write( "7: 2a+b=9
\n" ); document.write( "3a-2b=11 \n" ); document.write( "

Algebra.Com's Answer #393106 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( "using Substitution to find the solution for the System:
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document.write( "couple of Exs:
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document.write( "1:a=  **     
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document.write( " 5a+2b=1,   5() + 2b = 1 
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document.write( "            25-10b+2b=1   
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document.write( "             -8b = -24  
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document.write( "               b = 3 and a = -1    ||**
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document.write( " 5: a-2b=9  'or'  a =  **  
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document.write( " 2a+3b=4,  2() + 3b = 4  
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document.write( "                   4b +18 +3b = 4  
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document.write( "                        7b = -14  
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document.write( "                         b = 2   and a = 13   |||**
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