document.write( "Question 809402: 3a-15+19=-2
\n" ); document.write( "can you please help me
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #487736 by ankor@dixie-net.com(22740)\"\" \"About 
You can put this solution on YOUR website!
3a - 15 + 19 = -2
\n" ); document.write( "do the math
\n" ); document.write( "3a + 4 = -2
\n" ); document.write( "subtract 4 from both sides
\n" ); document.write( "3a + 4 - 4 = -2 - 4
\n" ); document.write( "do the math
\n" ); document.write( "3a = -6
\n" ); document.write( "Divide both sides by 3
\n" ); document.write( "a = -6/3
\n" ); document.write( "a = -2
\n" ); document.write( ":
\n" ); document.write( ":
\n" ); document.write( "Check this in the original problem, replace a with -2
\n" ); document.write( "3(-2) - 15 + 19 = -2
\n" ); document.write( "-6 - 15 + 19 = -2
\n" ); document.write( "-2 = -2, confirms our solution of a = -2
\n" ); document.write( "
\n" ); document.write( "
\n" );