Hello If someone can help me find X that’s the only problem I’m having with this math equation please and thankss!

Brady has a 20 year fixed rate mortgage for $215,500 with monthly payments of 1,305.89.the annual interest rate is 4%. what is the total cost of the principal and interest for this loan rounded to the nearest dollar

Me asap on # : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.

Solve 3x-18=2y and 5x-6y=6 by elimination show work