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]

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

Otras preguntas

5x+15=90 what do the x equal
Where is the midpoint of (6,11) and (10,16) Use the rules of negative numbers to calculate -5+-7--3
Which one of the following sentences contains two ideas joined by a connecting word? A. Sally lives with her parents, although she could afford her own a
What was an effect of major environmental issues that occurred in the 1960’s?.
what is the solution to 3!
A piggy bank contains an equal number of pennies, nickels, dimes, and quarters. If the total amount of money in the piggy bank is $7.79, find the number of each
A man in a photograph is 1.5 inches in height. If the man is 6 ft. tall, what is the scale.
Michelle wants to classify an organism that she is studying in lab. The organism is multicellular, makes its own food, and is unable to move around its environm
Suppose Lynn rolls a fair die until a 6 appears on top. What is the probability that it rolls to get a six the first time?
What is true about the sum of the measures of any two non-right angles in a right triangle?