document.write( "Question 768477: Solve the system of equations by the substitution system.
\n" ); document.write( "y=5x+1
\n" ); document.write( "y=8x+2
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Algebra.Com's Answer #468303 by MathLover1(20850) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"y=5x%2B1\"$ ....eq.1
\n" ); document.write( " $\"y=8x%2B2\"$ .....eq.2......substitute $\"y\"$ in eq.1
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\n" ); document.write( "\n" ); document.write( " $\"8x%2B2=5x%2B1\"$ ....eq.1.....solve for $\"x\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"8x-5x=1-2\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"3x=-1\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"highlight%28x=-1%2F3%29\"$ ........substitute $\"x\"$ in eq.2\r
\n" ); document.write( "\n" ); document.write( " $\"y=8%28-1%2F3%29%2B2\"$ .....eq.2.....solve for $\"y\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"y=-8%2F3%2B2\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"y=-8%2F3%2B6%2F3\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"highlight%28y=-2%2F3%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"+graph%28+600%2C+600%2C+-5%2C+5%2C+-5%2C+5%2C+5x%2B1%2C+8x%2B2%29+\"$ \r
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