document.write( "Question 760414: y=7x-10
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Algebra.Com's Answer #462630 by MathLover1(20849) $\"\"$ $\"About$

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$\"y=7x-10\"$ ....eq.1
\n" ); document.write( " $\"y=-3\"$ ....eq.2
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\n" ); document.write( "\n" ); document.write( "start with $\"y=-3\"$ ....eq.2, substitute in eq.1\r
\n" ); document.write( "\n" ); document.write( " $\"-3=7x-10\"$ ....eq.1\r
\n" ); document.write( "\n" ); document.write( " $\"-3%2B10=7x\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"7=7x\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"7%2F7=x\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"1=x\"$ \r
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