Solve the equation
X/x+2 - 4/x-2=1​

News cameras take an overhead picture of a crowd at an outdoor event journalist then count the total number of people in the picture and use the sample of estimate the total number of people in the crowd this process is an example of

Use the multiplier method to incrases £258 by 43%

Which of the following are accepted without proof in a logical system? check all that apply.