Oliviakeith
Oliviakeith Oliviakeith
  • 07-05-2020
  • Mathematics
contestada

Which of these is a two-step equation?
A.X+ 9 = 21
B.x= 11+2
C.2x + 9 = 21
D.x/3 = 9

Respuesta :

Itzpanda12
Itzpanda12 Itzpanda12
  • 07-05-2020
The answer would be C
2x + 9 = 21
1. 2x = 12
2. x = 6
Answer Link
Snowphie101
Snowphie101 Snowphie101
  • 07-05-2020
Answer: C

Explanation:
x+9=21
x=12

x=11+2
x=13

2x+9=21
2x=12
x=6

x/3=9
x=27
Answer Link

Otras preguntas

+7 = −12 What is X in this equation?
Coughing up thick mucus is a symptom of which of these conditions? a)croup b)pneumonia c)laryngitis d)bronchitis
Twice my age 10 years from now is the same as 3 times my age now. How old am I?
7. What would cause the inscriptions on a marble gravestone to become harder and harder to read over time? A. temperature change B. acid rain C. frost wedging D
What Is h(0) on this graph
Why were tenant Farmers often unable to realize their dream of becoming landowners?​
You are asked to examine several plants and identify the monocots.which of the following characterizes a monocot A a dandelion has a taproot B.seeds are growing
In 2007,an estimated amount of 31 billion tons of carbon dioxide was emitted worldwide due to fossil fuel combustion and cement production. Express this mass of
if 3/5 of a number is subtracted from 2/3 of the same number, the result is 3. Find the number.
contrast snowball and boxer's reaction to almost killing a human. What does this tell us about their natures?