2x -10 = 30
add ten to both sides
2x = 40
divide by two
x = 20
To find the mean of the data set you would add all the number of the data set (2,2,2,3,4,4,4,4,6,6,7,7,7,8 )-data set based on dot plot then add all number together which would give you 75 then you would divide by the amount of numbers (15) and 75/15=5 so your mean would be 5
Mode is 32. Median is 0.64. Range is 278...
Answer:
x = 0, -2, 2
Step-by-step explanation:
This question is a bit confusing. I think you left out some important information or modified it yourself. Please try not to do that.
To answer this question, you must solve both sides of the equation.