document.write( "Question 662342: jane is 5 years older than tom.
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document.write( "three times jane's age plus twice toms age is 35.
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document.write( "what are the ages of jane and tom. \n" );
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Algebra.Com's Answer #412123 by ReadingBoosters(3246)![]() ![]() ![]() You can put this solution on YOUR website! x = jane \n" ); document.write( "y = tom \n" ); document.write( "x = y + 5 \n" ); document.write( "3x + 2y = 35 \n" ); document.write( "Substitute into the second equation \n" ); document.write( "3(y+5) +2y = 35 \n" ); document.write( "3y + 15 + 2y = 35 \n" ); document.write( "5y = 35-15 \n" ); document.write( "5y = 20 \n" ); document.write( "y = 4 \n" ); document.write( "x = 4+5=9 \n" ); document.write( "Jane is 9 years old \n" ); document.write( "Tom is 4 years old \n" ); document.write( "Proof \n" ); document.write( "4+5 = 9 \n" ); document.write( "3(9) + 2(4) = 35 \n" ); document.write( " |