jmclynch0711
jmclynch0711 jmclynch0711
  • 03-12-2020
  • Mathematics
contestada

help neededdd.......

help neededdd class=

Respuesta :

fishwithpaypal
fishwithpaypal fishwithpaypal
  • 03-12-2020

Answer:

1. -5a

Step-by-step explanation:

The definition of combining like terms is adding their coefficients, for example: 2x + 3x = (2+3)x = 5x.

So for this one, -21a+16a = (-21+16)a = -5a.

Answer Link

Otras preguntas

What is 3.82 rounded to the nearest whole number
Find S20 for the geometric series 4 + 12 + 36 + 108 + … 5,034,043,187 5,123,498,245` 6,973,568,800 7,321,089,348
What kind of questions do biologists attempt to answer? a. Questions about the meaning of existence b. Questions about the value of science c. Questions abou
rewrite 8 1/2 as an improper fraction
The Internet may best be compared to a/an
Which nationality did Alexander the Great claim to be? A.Greek B.Roman C.Persian D.Aryan
only products that are __________ by consumers are produced in a free market.
You drive a car that holds 15 gallons of gasoline. Your car uses 0.03 gal per mi. Which equation best represents this information?
It takes Heidi's cats about seven days to finish a 3.5-pound bag of cat food. Which is the best estimate of the number of pounds of cat food Heidi's cats eat in
Which sentence uses correct punctuation? a. My father advised me that, "Life is not always fair." b. My father advised me that "Life is not always fair." c.