document.write( "Question 982012: solve the linear system by graphing.Check you solution. y=x-1 , y=3x-9 \n" ); document.write( "

Algebra.Com's Answer #602877 by macston(5194) $\"\"$ $\"About$

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\n" ); document.write( "y=x-1 (red), y=3x-9 (green)
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\n" ); document.write( " $\"+graph%28+800%2C+800%2C+-10%2C+10%2C+-10%2C+10%2C+x-1%2C+3x-9%29\"$
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\n" ); document.write( "Intersection at (4,3)
\n" ); document.write( "ANSWER: x=4, y=3
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\n" ); document.write( "CHECK:
\n" ); document.write( "y=x-1
\n" ); document.write( "3=4-1
\n" ); document.write( "3=3
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\n" ); document.write( "y=3x-9
\n" ); document.write( "3=3(4)-9
\n" ); document.write( "3=12-9
\n" ); document.write( "3=3 \n" ); document.write( "

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