N=410,439
You can just type your problem into a calculator-- you're just finding out what 420,008-9,569 is. :)
4x - 2 = 2x + 8
2x -2 = 8
2x = 10
x = 5
4(5)-2 = 2(5)+8
20-2 = 10+8
18 = 18
Divide 2,800 by 25 which equals 112, there are 112 rows in total
Answer:
option A and B

and

Step-by-step explanation:
we have

The formula to solve a quadratic equation of the form
is equal to

in this problem we have

so

substitute in the formula


so

and

Answer:
x = 15
Step-by-step explanation:
=> x - 3 = 12
=> x = 15