Question

100x-99=88+1000+9009

Answer 1

100x=9009+1000+88+99
100x=10196
x=10196/100=101.96

Answer 2

here is your answer

100x-99=88+1000+9009

100x-99=10097

100x=10097+99

100x=10196

$x = \frac{10196}{100}$

x= 101.96

101.96 is the correct answer

hope it helps you