Distributive property
12-3x-13 = 0
Combine like terms
-1-3x = 0
-3x = 1
Divide by -3
x = -1/3
Answer:
x = 60
Step-by-step explanation:
<u>Step 1: Subtract 5 from both sides
</u>
65 - 5 = 5 + x - 5
60 = x
Answer: x = 60
Well you can graph it by plotting 3 points then drawing a line through these 3 points. The graph will be a straight line . By plotting 3 points you can be more sure if you are right, because if you make a mistake then they might not make a straight line.
Put y = 0 in the equation and find the x coordinate:-
x + 5(0) = -20
x = -20
So we have one point to plot:- (-20,0)
Putting x = 0 we get 5y = -20 so y = -4
Second point:- (0, -4)
Putting x = 5 say we get 4 + 5y = -20 so y = -25/5 = -5
so our 3rd point is (5, -5)
21, 42, 63, 84, 105, 126, 147
Total numbers in set: 7
Mean (Average) 84
Median (Middle): 84
Mode (Most Common): No mode of this set
Range (Biggest - Smallest): 126
Mean is the average of all data in set.
Median is the value which occurs most frequently in a data set.
Range is the difference between the largest, and smallest data set.
Hope that helps!!!!
