Answer:
6x = 42
Step-by-step explanation:
The formula to find the area of a rectangle is 
. Since we have a value for the width, we simply need to find what to multiply to 6 to get 42.
Let x = length
6x = 42
We then divide both sides by 6 to find the value of x.
So we know the length is 7.
To check the answer we substitute x with 7.
(Put what the first number is) x (the previous number) + 8 + 12 = ?
Answer:
x-3y-z
Step-by-step explanation:
separate common terms and add them
1/2x+3/4x=1x
-2y-y=-3y
2z-3z=-1z
1x-3y-1z
Answer:
1/24
Step-by-step explanation:
