document.write( "Question 75507: Remove the parentheses in each of the following expressions and simplify when possible.\r
\n" ); document.write( "\n" ); document.write( "8d - (-7c - 2d)\r
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8d - (-7c - 2d)
\n" ); document.write( "The - symbol means: 8d - 1(-7c - 2d)
\n" ); document.write( "When -1 is multiplied into the parenthesis the positives turn into negatives and vice-versa.
\n" ); document.write( "So: 8d + 7c + 2d
\n" ); document.write( "Add 8d and 2d together because they are like terms.
\n" ); document.write( "10d + 7c is your answer.
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