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Brilliant_brown [7]
3 years ago
5

Find the difference.

Mathematics
2 answers:
sukhopar [10]3 years ago
6 0

Answer:

-2x-4

Step-by-step explanation:

(-7x-7y-4)-(-5x-7y)=-7x-7y-4+5x+7y=-7x-4+5x=-2x-4

adoni [48]3 years ago
6 0

Answer:

-2x - 4

Step-by-step explanation:

  • (- 7x - 7y - 4) - (-5x - 7y)              Remove both sets of brackets
  • -7x - 7y - 4 + 5x + 7y                   Notice the sign change in 6x and 7y Two minus signs multiplied together make a plus. Gather like terms.
  • -7x + 5x - 7y + 7y - 4                   Simplify
  • -2x - 4                                          Note the ys cancel out.

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