document.write( "Question 1070187: Please, help me with this problem:\r
\n" ); document.write( "\n" ); document.write( "Solve - sqrt2x+1 = -9\r
\n" ); document.write( "\n" ); document.write( "a. 50
\n" ); document.write( "b. 4
\n" ); document.write( "c. 40
\n" ); document.write( "d. -41\r
\n" ); document.write( "\n" ); document.write( "Thank you!
\n" ); document.write( "

Algebra.Com's Answer #685305 by ankor@dixie-net.com(22740)\"\" \"About 
You can put this solution on YOUR website!
Solve \"-+sqrt%28%282x%2B1%29%29+=+-9\"
\n" ); document.write( "multiply both sides by -1
\n" ); document.write( "\"sqrt%28%282x%2B1%29%29+=+9\"
\n" ); document.write( "square both sides
\n" ); document.write( "2x + 1 = 81
\n" ); document.write( "2x = 81 - 1
\n" ); document.write( "2x = 80
\n" ); document.write( "x = 80/2
\n" ); document.write( "x = 40
\n" ); document.write( "
\n" );