dominiquempore8 dominiquempore8
  • 29-04-2019
  • Mathematics
contestada

Evaluate each expression:

7. For all x, 5 – 3(x – 4) = ?
A. -3x + 17
B. -3x – 7
C. -3x + 1
D. -3x – 4

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Respuesta :

gmany
gmany gmany
  • 01-05-2019

Answer:

A. -3x + 17

Step-by-step explanation:

5 - 3(x - 4)            use the distributive property: a(b + c) = ab + ac

= 5 + (-3)(x) + (-3)(-4)

= 5 - 3x + 12           combine like terms

= -3x + (5 + 12)

= -3x + 17

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