Answer:
yes
Step-by-step explanation:
The equation will be 2x + 7 = 3x
subtract 2x from bothsides, you get 7 = x
so x is equal to 7
EDITED
sorry, i didnt read the sum part, so my answer is considered wrong ahaha
2(x+7) equals 3x
distribute, you get 2x+14=3x
then subtract 2x,
the answer for x is 14
Answer: 
Step-by-step explanation:
1. First, you must calculate the area of the football field. It is a rectangle, therefore, multiply the lenght by the width to calculate the area:

2. Then, divide this area by the area covered by a wheelbarrow full of dirt.
: number of wheelbarrows full of dirt needed for the field.

Answer:
b
Step-by-step explanation:
Answer: Y= 10
Y= X+8 X+Y=2
-x -x
Y= -x+2
Y=x+8
Y=-x+2
Y=10