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Margaret [11]
2 years ago
7

7 + 7x - (2x) + 3 if x = -4

Mathematics
2 answers:
frutty [35]2 years ago
4 0

Answer:

-10

Step-by-step explanation:

7 + 7(-4) - (2(-4)) + 3

7 - 28 - (-8)+3

7 - 28 +8 +3

= -10

Mekhanik [1.2K]2 years ago
4 0

Answer:

  • - 10

Step-by-step explanation:

  • 7 + 7x - (2x) + 3 =
  • 7 + 7x - 2x + 3 =
  • 10 + 5x =
  • 10 + 5*(- 4) =                     Substitute x = - 4
  • 10 - 20 =
  • - 10
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