document.write( "Question 304503: the sum of three numbers id 138. the second is 5 more than the smallest and the third is 10 more than the smallest. find the numbers.
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Algebra.Com's Answer #218049 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! x+y+z=138 \n" ); document.write( "y=x+5 \n" ); document.write( "z=x+10 \n" ); document.write( "x+(x+5)+(x+10)=138 \n" ); document.write( "3x+15=138 \n" ); document.write( "3x=138-15 \n" ); document.write( "3x=123 \n" ); document.write( "x=123/3 \n" ); document.write( "x=41 ans. \n" ); document.write( "y=41+5=46 ans. \n" ); document.write( "z=41+10=51 ans. \n" ); document.write( "Proof: \n" ); document.write( "41+46+51=138 \n" ); document.write( "138=138 \n" ); document.write( " |