document.write( "Question 299177: Fill in the parentheses to make each statement correct. See
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Algebra.Com's Answer #215058 by wise1(2)\"\" \"About 
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-9 - (-2.3)= -9 +(?)
\n" ); document.write( "for this question, let's replace the question mark with x.
\n" ); document.write( "-9 - (-2.3)= -9 +(x)
\n" ); document.write( "next, we will open the brackets. remember, (-)*(-)=+
\n" ); document.write( "-9+2.3 = -9 + x
\n" ); document.write( "now we have to solve for x, this means we want x to be alone on one side of the = sign. if you move anything from one side of an = sign, it changes from - to+ or from + to -.
\n" ); document.write( "-9 +2.3 +9 =x
\n" ); document.write( "2.3=x , which is the same as
\n" ); document.write( "x=2.3
\n" ); document.write( "now all we have to do is replace the ? with 2.3
\n" ); document.write( "-9 - (-2.3)= -9 +(2.3)
\n" ); document.write( "and voila, we're all done
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