document.write( "Question 1130507: Mandie has enough sheets of paper to give each of her friends 3 sheets and has 31 sheets left over. Alternatively, she could give each friend 4 sheets and have 9 sheets left over. How many sheets of paper does she have? \n" ); document.write( "

Algebra.Com's Answer #747167 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"+x+\"$ = the number of friends she has
\n" ); document.write( " $\"+3x+%2B+31+=+4x+%2B+9+\"$
\n" ); document.write( " $\"+x+=+22+\"$
\n" ); document.write( "-------------------
\n" ); document.write( " $\"+3x+%2B+31+=+3%2A22+%2B+31+\"$
\n" ); document.write( " $\"+3x+%2B+31+=+97+\"$
\n" ); document.write( "and, also
\n" ); document.write( " $\"+4x+%2B+9+=+4%2A22+%2B+9+\"$
\n" ); document.write( " $\"+4x+%2B+9+=+97+\"$
\n" ); document.write( "She has 97 sheets of paper
\n" ); document.write( " \n" ); document.write( "

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