Answer:
34
Step-by-step explanation:
Let the no. be x,
2x-3=3x+31
3x-2x= -3-31
x= -34
Then it is $19:99 per chesse piece
Answer:
20m, 20m,20 m and 22m = 82 m 4x+2=82
Step-by-step explanation:
equation 4x +2 =82
x +x+x+(x+2) =82
4x+2=82
4x=80
x=20

(prounounced "y bar") is the mean of the y values
Add up the y values to get
5+7+10+15+18 = 55
Then divide by 5 (because there are five y values) to get
55/5 = 11
Therefore,

The answer is choice C
-2x-6
EXPLANATION
(3x-5) = (-2x) - 6