document.write( "Question 53415This question is from textbook Prentice Hall Mathematics Algebra 1
\n" ); document.write( ": What is -y + 10 = 25? I did:
\n" ); document.write( "-y + 10 = 25
\n" ); document.write( " -25 -25
\n" ); document.write( " -y = -15
\n" ); document.write( "-1(-y) = -1(-15)
\n" ); document.write( " y = 15
\n" ); document.write( "Am I right?
\n" ); document.write( "

Algebra.Com's Answer #854305 by MathTherapy(10830)\"\" \"About 
You can put this solution on YOUR website!
\r\n" );
document.write( "What is -y + 10 = 25? I did:\r\n" );
document.write( "-y + 10 = 25\r\n" );
document.write( "    -25  -25\r\n" );
document.write( "  -y = -15\r\n" );
document.write( "-1(-y) = -1(-15)\r\n" );
document.write( "    y = 15\r\n" );
document.write( "Am I right?\r\n" );
document.write( "***********\r\n" );
document.write( "As @IKLEYN pointed out, the answer you came up with, and @consc198 agreed with: y = 15, is WRONG! \r\n" );
document.write( "\r\n" );
document.write( "You stated: What is -y + 10 = 25? I did:\r\n" );
document.write( "                                  - y + 10 = 25\r\n" );
document.write( "                                           -25  -25   <=== Here, you should've SUBTRACTED 10 from each side, instead of 25 \r\n" );
document.write( "                                           - y = - 15 <=== This is where you went WRONG\r\n" );
document.write( "                                   - y - 15 = 0 <=== This is what you should've had\r\n" );
document.write( "                                         - 15 = y ---- ADDing y to each side              \r\n" );
document.write( "\r\n" );
document.write( "A very EASY WAY is: \r\n" );
document.write( "                                 - y + 10 = 25\r\n" );
document.write( "                                       -  10  - 10 <=== Subtracting 10 from each side, to ISOLATE the variable                                  \r\n" );
document.write( "                                          - y = 15\r\n" );
document.write( "                                          \"highlight%28y%29+=+15%2F%28-+1%29+=+highlight%28-+15%29%29\"
\n" ); document.write( "
\n" );