document.write( "Question 94953: expressions and formula?
\n" ); document.write( "3(4-7)-11
\n" ); document.write( " whats the answer?\r
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Algebra.Com's Answer #69111 by bucky(2189)\"\" \"About 
You can put this solution on YOUR website!
Given:
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\n" ); document.write( "3(4-7)-11
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\n" ); document.write( "First do the work inside the parentheses. The 4 - 7 combine to -3 and when this result is
\n" ); document.write( "substituted into the expression it becomes:
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\n" ); document.write( "3(-3) - 11
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\n" ); document.write( "Next do the multiplication of 3 times -3 to get -9 which makes the expression:
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\n" ); document.write( "-9 - 11
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\n" ); document.write( "Finally, combine these two terms to get the answer - 20
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\n" ); document.write( "An acronym that explains the order in which you do these operations is PEMDAS ...
\n" ); document.write( "meaning first P ... do the terms in parentheses; then E do the exponentiated terms, then
\n" ); document.write( "M & D ... from right to left do the multiplications and divisions as you encounter
\n" ); document.write( "them. Finally, A & S do the additions and subtractions from left to right as you encounter
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\n" ); document.write( "\n" ); document.write( "So in the above problem we first did the parentheses. There were no exponentiated
\n" ); document.write( "terms so from left to right we did the one multiplication. And finally from left to right
\n" ); document.write( "we did the additions and subtractions to get -20
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\n" ); document.write( "Hope this helps.
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