document.write( "Question 52777: Solve: r - (-9) = -1 \n" ); document.write( "

Algebra.Com's Answer #35197 by toya_bond05(1) $\"\"$ $\"About$

You can put this solution on YOUR website!
r-(-9)=-1
\n" ); document.write( "-9+-1
\n" ); document.write( "10
\n" ); document.write( "r=10 because you have a subtraction problem where you need to find the missing number.so you add the two numbers you already have which are -9 and-1 to get r.which a negitive plus a negitive equals a positive. \n" ); document.write( "

\n" );