Answer:
x=3
Step-by-step explanation:
You can solve by:
5x+7=-3x-31
adding 3x to each side:
8x+7=31
Subtract 7 from each side:
8x=24
Divide each side by 8:
x=3
That is your answer
Hope this helps!
You gotta increase the points that’s a big question for 5 points
Answer:
45
Step-by-step explanation:
The mean is the average. If the mean of 4 letter (a,b,cd) is 12, the sum of them would be 12x4 =48
Now add e to the total: 48 + 50 = 98
The mean is the total divided by the quantity:
Mean = 98 /5 = 19.6
