document.write( "Question 461005: a = 1 + b,\r
\n" ); document.write( "\n" ); document.write( "b = 5 − 2a
\n" ); document.write( "solve each system graphically
\n" ); document.write( "

Algebra.Com's Answer #316211 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
\r
\n" ); document.write( "\n" ); document.write( "\"a+=+1+%2B+b\",.......1\r
\n" ); document.write( "\n" ); document.write( "\"b+=+5-2a\"...........2
\n" ); document.write( "---------------------------\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"a+=+1+%2B+b\",.......1.substitute in 2\r
\n" ); document.write( "\n" ); document.write( "\"b+=+5-2%281+%2B+b%29\"...........2.....solve for \"b\"\r
\n" ); document.write( "\n" ); document.write( "\"b+=+5-2+-2b%29\"\r
\n" ); document.write( "\n" ); document.write( "\"b+%2B2b=+3\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"3b=+3\"\r
\n" ); document.write( "\n" ); document.write( "\"b=+1\".....find \"a\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"a+=+1+%2B+b\",.......1\r
\n" ); document.write( "\n" ); document.write( "\"a+=+1+%2B+1\"\r
\n" ); document.write( "\n" ); document.write( "\"a+=+2\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "check:\r
\n" ); document.write( "\n" ); document.write( "\"a+=+1+%2B+b\",.......1\r
\n" ); document.write( "\n" ); document.write( "\"2+=+1+%2B+1\",.......1\r
\n" ); document.write( "\n" ); document.write( "\"2+=+2\",.......1\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"b+=+5-2a\"...........2\r
\n" ); document.write( "\n" ); document.write( "\"1+=+5-2%2A2\"...........2\r
\n" ); document.write( "\n" ); document.write( "\"1+=+5-4\"...........2\r
\n" ); document.write( "\n" ); document.write( "\"1=+1\"...........2\r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );