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Anonymous Anonymous
  • 30-01-2014
  • Mathematics
Answered

Is the expression -12x-18 equivalent to the expression -6x-9-3(3-2x)

Verified Answer :

Anonymous Anonymous
  • 30-01-2014

-12x-18 and -6x-9-3(3-2x)

First, distribute the -3 into the parentheses. The second expression will turn out as such:
-6x-9-9-6x.
From here, you need to combine like terms (variables and numbers). -12x-18.
So, yes, these two expressions are equal.

Answer Link
senka senka
  • 30-01-2014

-12x-18=-6x-9-3(3-2x)
-12x-18=-6x-9-9+6x
-12x-18=-6x+6x-9-9
-12x-18=-18
-12x-18=-18
+18=+18
-12x=0
X=0

Answer Link

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