Can someone solve this for me?

(53000-x)(1.03)^7 + (x)(1.023)^7= 62170

Add 1/7 + -1/7 your answer should be reduced to its smallest form and should not be an improper fraction

Write the equation in logarithmic form 8^x=64

List x1, x2, x3, x4 where xi is the midpoint endpoint of the five equal intervals used to estimate the area under the curve of f(x) between x = 0 and x = 10.