Remember you can do anything to an equation as long asyou do it to both sides
4x+2(x-3)=3x+x-12
distribute and expand
4x+2x-6=4x-12
6x-6=4x-12
minus 4x both sides
2x-6=-12
add 6 both sides
2x=-6
divide by 2
x=-3
A is the answer
Answer: 2048 ft
Step-by-step explanation:
Given
The length of each sidewalk is 
There are eight sections of the sidewalk
The total length of the sidewalk is 

Total length of the entire sidewalk is 2048 ft
Answer:
(examples) n = 2
n = 3
n = 4
Step-by-step explanation:
to demonstrate, all you do is select a number to represent 'n' and plug it in.
so for example, n = 2:
2(2) + 3(2) = 5(2)
4 + 6 = 10, which is true.
141.5 ÷ 5 = 28 with remainder so its just 28