document.write( "Question 633049: a+6b=5
\n" ); document.write( "a+3b=-1
\n" ); document.write( "

Algebra.Com's Answer #398632 by Maths68(1474)\"\" \"About 
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a+6b=5.............(1)
\n" ); document.write( "a+3b=-1............(2)\r
\n" ); document.write( "\n" ); document.write( "Subtract (2) from (1)
\n" ); document.write( "a+6b=5
\n" ); document.write( "-a-3b=1
\n" ); document.write( "--------
\n" ); document.write( "3b=6
\n" ); document.write( "3b/3=6/3
\n" ); document.write( "b=2
\n" ); document.write( "Put the value of b in (1)
\n" ); document.write( "a+6b=5.............(1)
\n" ); document.write( "a+6(2)=5
\n" ); document.write( "a+12=5
\n" ); document.write( "a=5-12
\n" ); document.write( "a=-7\r
\n" ); document.write( "\n" ); document.write( "a,b=-7,2\r
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\n" ); document.write( "\n" ); document.write( "Check
\n" ); document.write( "=====
\n" ); document.write( "a+6b=5.............(1)
\n" ); document.write( "Put the value of a and b
\n" ); document.write( "-7+6(2)=5
\n" ); document.write( "-7+12=5
\n" ); document.write( "5=5\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "a+3b=-1............(2)
\n" ); document.write( "Put the value of a and b
\n" ); document.write( "-7+3(2)=-1
\n" ); document.write( "-7+6=-1
\n" ); document.write( "-1=-1
\n" ); document.write( "
\n" );