document.write( "Question 1137257: -3(t-2)=12
\n" ); document.write( "-3+3(t-2)=12+3
\n" ); document.write( "(t-2)=15
\n" ); document.write( "t-2/-2=15/-2
\n" ); document.write( "t=-7.5 \n" ); document.write( "

Algebra.Com's Answer #755115 by ikleyn(52915) $\"\"$ $\"About$

You can put this solution on YOUR website!
.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " As I understand this post, the visitor asks to check if his (or her) solution is correct.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "

\r\n" );
document.write( "-3*(t-2) = 12\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "-3t + (-3)*(-2) = 12\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "-3t + 6 = 12\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "-3t + 6 - 6 = 12 - 6\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "-3t = 6\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Divide both sides by (-3)\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "t = \r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "t = -2.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "ANSWER.  t= -2.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "CHECK.  Substitute t= -2 into the given equation. You will get in the left side \r\n" );
document.write( "\r\n" );
document.write( "        -3*((-2) -2) = -3*(-4) = 12.   ! Correct !\r\n" );
document.write( "

\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Solved and checked.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "The solution in your post is INCORRECT.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "=================\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "To learn on how to solve simple linear equations, look into the lesson\r
\n" ); document.write( "\n" ); document.write( " - HOW TO solve a linear equation\r
\n" ); document.write( "\n" ); document.write( "in this site.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );