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maksim [4K]
3 years ago
8

Hi i need help, What is:

Mathematics
1 answer:
Paul [167]3 years ago
4 0

9514 1404 393

Answer:

  • 5b +3r -1
  • 2k +5
  • -13k +2

Step-by-step explanation:

It looks like you want to simplify the sums.

1. (3r -4) -(-5b -3) = 3r -4 +5b +3 = 5b +3r +(-4+3)

  = 5b +3r -1

__

2. (-4k -1) -(-6k -6) = -4k -1 +6k +6 = (-4+6)k +(-1+6)

  = 2k +5

__

3. (-6k +7) -(7k +5) = -6k +7 -7k -5 = (-6-7)k +(7-5)

  = -13k +2

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