g2007v
g2007v g2007v
  • 04-02-2021
  • Mathematics
contestada

If x = -1, then which of the following equations makes a true statement?
A. 4x + 9 =20
B. -4x - 5 = -15
C. -3x + 15 =18
D. -5x - 15 = -22

Respuesta :

bdtzs16
bdtzs16 bdtzs16
  • 04-02-2021

Answer:

C. -3x + 15 = 18

Step-by-step explanation:

substitute x with -1

-3(-1) + 15 = 18

a negative times a negative equals a positive

3 + 15 = 18

Answer Link

Otras preguntas

What is the purpose of License plates?
does anyone know any accurate algebra calculators that show how the problem was solved like it shows the steps
3/5 + 7/10 - 1/2=?? Solve
Mr. Summers observed that kids with hot dogs are happy. This observation led to a hypothesis that hot dogs must make kids happy. Before Mr. Summers can test thi
SHIRT + TSHIRT = CLOTHES (Cryptarithm, answer this question with an equation [ex. 5+4=9])
PLEASE HELP WILL GIVE BRAINLIEST AND 5.0 STAR RATING
“Darrell walked from the hotel to the pet store and then from the pet store to the bicycle shop. How far did Darrell walk in all?” PLEASE HELP WILL GIVE BRAI
What is the gradient of the graph shown​
Find ‘x’ in :- x: 6:: 5 : 11 Please make it an easy explanation...Please
Help me please I beg