anonymous
  • anonymous
Which expression is equivalent to 2x - 17? A) -17 + 2x B) -2x + 17 C) -2x - 17 D) 17 + 2x
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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welshfella
  • welshfella
these expressions are commutative - that means they can be moved around. But don't forget to move the sign with them.
anonymous
  • anonymous
so D?
welshfella
  • welshfella
an example would be -a + b = b - a these 2 are equavalent

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welshfella
  • welshfella
No because in your question the 17 has a negative in front of it. Its negative 17 not 17.
anonymous
  • anonymous
oh so a
welshfella
  • welshfella
Yes note the 2x as a + before it. in the question 2x really means + 2x but the + is not written if its at the beginning.
anonymous
  • anonymous
thx
welshfella
  • welshfella
yw
anonymous
  • anonymous
Workers on the assembly line produce 4x + 6 boats each day. Which expression shows how many boats they produced in 12 days? A) 12(4x + 6) B) 12(4x) + 6 C) 12 4x+6 D) 4x+6 12
anonymous
  • anonymous
plz help me on this one @welshfella
welshfella
  • welshfella
Hint: the whole expression (4x + 6) needs to be multiplied by 12.
anonymous
  • anonymous
so a?
welshfella
  • welshfella
yes the 4x + 6 is placed in parentheses to show that the whole expression must be multiplied by 12
anonymous
  • anonymous
thx

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