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)\"\" \"About 
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( "
\n" );