daphne6793
daphne6793 daphne6793
  • 04-01-2021
  • Mathematics
contestada

Simplify 7(x - 1) - 2(x + 1) + 3(x - 4)

8x - 21
8x - 4
8x + 21

Respuesta :

gmany
gmany gmany
  • 04-01-2021

Answer:

[tex]\huge\boxed{8x-21}[/tex]

Step-by-step explanation:

[tex]7(x-1)-2(x+1)+3(x-4)\qquad|\text{use the distributive property}\\\\=(7)(x)+(7)(-1)+(-2)(x)+(-2)(1)+(3)(x)+(3)(-4)\\\\=7x-7-2x-2+3x-12\qquad|\text{combine like terms}\\\\=(7x-2x+3x)+(-7-2-12)\\\\=8x-21[/tex]

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dahlyah15 dahlyah15
  • 04-01-2021
8x-34 is the same as 8x-y2
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