Seudónimo Seudónimo
  • 25-11-2020
  • Mathematics
contestada

someone pls help and dont troll

someone pls help and dont troll class=

Respuesta :

lavenderlillacs25 lavenderlillacs25
  • 25-11-2020

Answer: A

Step-by-step explanation:

2x + 9 = 15

2x = 6

x = 3

2x+9 = -15

2x = -24

x = -12

Answer Link
khanhchijuveams khanhchijuveams
  • 25-11-2020
2x+9=15 or 2x+9=-15

- Case 1: 2x+9=15. Then 2x=15-9=6. Thus, x=3.
- Case 2: 2x+9=-15. Then 2x=-15-9=-24. Thus x=-12.

Hence x=3 or x=-12.
Answer Link

Otras preguntas

what problems did rapid growth pose for cities?
Factories have been dumping very hot water used for cooling into this lake. The temperature of water in a lake has risen by several degrees. What will MOST LI
what relies on carbon for stucture in a polymer
can somebody help me?
How many solute particles are found inside the cell
Aaron can run 2 kilometers in 14 and 1/2 in minutes. find his rate of speed in kilometers per minute
A car was stopped at a red light. When the light turns green, the car reaches a speed of 21 miles per hour in 8 seconds. What is the acceleration, to 1 decimal
Plz help me get the right answer to these ASAP
What is the primary advantage of a 64-bit operating system versus 32-bit
Read this excerpt from chapter 2 of The Scarlet Letter using comprehension strategies. “Goodwives,” said a hard-featured dame of fifty, “I’ll tell ye a piece of