document.write( "Question 845853: Solve the linear system using substitution.
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document.write( "2x=12
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document.write( "x-5y=-29
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document.write( "help? \n" );
document.write( "
Algebra.Com's Answer #509472 by pmesler(52)![]() ![]() You can put this solution on YOUR website! 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 \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |