document.write( "Question 126561: three-fourths of seven less than a number is forty-two. Find the number \n" ); document.write( "
Algebra.Com's Answer #92713 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! 3/4(x-7)=42 \n" ); document.write( "(3x-21)/4=42 now cross multiply. \n" ); document.write( "3x-21=168 \n" ); document.write( "3x=168+21 \n" ); document.write( "3x=189 \n" ); document.write( "x=189/3 \n" ); document.write( "x=63 answer. \n" ); document.write( "PROOF: \n" ); document.write( "3/4(63-7)=42 \n" ); document.write( "3/4(56)=42 \n" ); document.write( "42=42 \n" ); document.write( " \n" ); document.write( " |