document.write( "Question 927559: x + 2y = 14
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document.write( "y = 3x - 14 \n" );
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Algebra.Com's Answer #563052 by Techpriest(29)![]() ![]() ![]() You can put this solution on YOUR website! Your problem that you have gave out may be solved through the method of substitution. \n" ); document.write( "Plug in the y from the second equation to the first equation. \n" ); document.write( "x + 2(3x-14) = 14 \n" ); document.write( "x + 6x - 28 = 14 Distribution \n" ); document.write( "7x - 28 = 14 Combine like terms \n" ); document.write( "7x = 42 Addition Property of Equality \n" ); document.write( "7x/7 = 42/7 Division Property of Equality \n" ); document.write( "x = 6 Simplify\r \n" ); document.write( "\n" ); document.write( "When we check our answers...\r \n" ); document.write( "\n" ); document.write( "6 + 2(6(3)-14) = 14 Substitution \n" ); document.write( "6 + 2(18-14) = 14 Simplify \n" ); document.write( "6 + 2(4) = 14 Simplify \n" ); document.write( "6 + 8 = 14 Simplify \n" ); document.write( "14 = 14 Simplify \n" ); document.write( " |