Include sales tax 6% an inn charges $265 per night. find the cost before taxes

How can you solve an equation with a variable on both sides? complete the explanation. you can solve the equation by using *(blank)* operations to get the variable terms on one side of the equal sign and the constant terms on the *(blank)* side. then *(blank)* both sides by the coefficient of the resulting variable term.

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?