document.write( "Question 845853: Solve the linear system using substitution.
\n" ); document.write( "2x=12
\n" ); document.write( "x-5y=-29
\n" ); document.write( "help?
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Algebra.Com's Answer #509472 by pmesler(52)\"\" \"About 
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Right away we can see that equation 1 evaluates to x = 6. Since we know that we can substitute that value into equation 2.\r
\n" ); document.write( "\n" ); document.write( "2-5y=-29\r
\n" ); document.write( "\n" ); document.write( "Now solve for y.\r
\n" ); document.write( "\n" ); document.write( "Subtract 2 from both sides.\r
\n" ); document.write( "\n" ); document.write( "-5y = -35\r
\n" ); document.write( "\n" ); document.write( "Divide each side by -5\r
\n" ); document.write( "\n" ); document.write( "y = 7\r
\n" ); document.write( "\n" ); document.write( "Therefore the solution is x = 6 y = 7\r
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