bryce4545 bryce4545
  • 01-02-2020
  • Mathematics
contestada

1) -20 = -7 + 8n +3
A) {All real numbers. }
B) -2
C) -10
D) {10}

Respuesta :

texaschic101
texaschic101 texaschic101
  • 01-02-2020

Answer:

Step-by-step explanation:

-20 = -7 + 8n + 3

-20 + 7 - 3 = 8n

-16 = 8n

-16 / 8 = n

-2 = n <====== answer B

Answer Link
schurr
schurr schurr
  • 01-02-2020

In this question, you're solving for n.

Solve for n:

-20 = -7 + 8n +3

Combine like terms

-20 = 8n - 4

Add 4 to both sides

-16 = 8n

Divide both sides by 8

-2 = n

Answer:

B) -2

Answer Link

Otras preguntas

When must all men register for the Selective Service?
What is one responsibility that is only for United States citizens?
An art gallery has 9 paintings to display along a hallway. How many different ways can they choose and display 6 of the paintings?
At what type of plate boundary do compression and subduction take place?
We elect a President for how many years?
True or False The segments shown below could form a triangle. A_________C is 6 C_____B is 5 B_____________A is 8
What happened at the Constitutional Convention?
What is the approximate height of the average adult in centimeters?
round 75.4614 to the nearest thousandth
What do we show loyalty to when we say the Pledge of Allegiance?