Can someone please help with this please it’s due tonight

If you answer right ill give brainliest, : )

The sum of two numbers is 86, and their difference is 20. find the two numbers

The ksp expression for the system pbcl2(s) pb+2(aq) + 2 cl-(aq) is: [pbc12][pb+2][2cl-] [pb+2][cl-]2 [pb+2][2cl-]2 [pbcl2][pb+2][cl-]2 [pb+2][2cl-]2[pbcl2]