fhjkykjjhtjhc
fhjkykjjhtjhc fhjkykjjhtjhc
  • 06-12-2020
  • Mathematics
contestada

What is the value of x in the equation 2x + 9 = 21? (4 points) 2 6 9 15

Respuesta :

chingun0919 chingun0919
  • 06-12-2020
It's 6 because 21-9=12, 2x=12, x=12\2, x=6
Answer Link
kasandrabarroso kasandrabarroso
  • 06-12-2020
2x=12
2x divided by
12 divided by 2
Equals
X=6
Answer Link

Otras preguntas

Which of the following causes weathering? A. chemicals B. radiation C. heat D. rotation
Consider an even money game that pays 4:3 if event A occurs. What is the probability of event A?
The river C is 400 miles longer than River D. If the sum of their heights is 5,580 miles, what is the length of each river
What process produces fuel for motor vehicles from living plant products? what is the waste product of this process?
What happened at the Stamp Act Congress in 1765
What is the length of side BC of the triangle? Make sure to show all of your work!
A court’s jurisdiction is established by
A photon has 8.0 × 10–15 J of energy. Planck’s constant is 6.63 × 10–34 J•s.
How did the physical of the united states contribute to its economic growth?
Machine A makes 12.75 ounces of popcorn in 3 minutes. Machine B makes 18 ounces of popcorn in 4 minutes. If each machine makes popcorn for 10 minutes, will ther