I just learned about it. Simple!
6x=5x+7
Subtract 5x from both sides.
-5x -5x
You end up with
1x=7 or x=7
Answer:

Step-by-step explanation:
The dimensions must be the same
10 yards = 10 × 3 feet = 30 feet
ratio =
= 
8 divided by 2 is 4, so multiply 3/4 by 2, 6/8, than you have your answer, 6.
Answer:
300 cubic meters
Step-by-step explanation:
Volume of a Rectangular pyramid:
V = (lwh)/3
Given:
l = 10
w = 10
h = 9
Work:
V = (lwh)/3
V = (10 * 10 * 9)/3
V = 900/3
V = 300