2x-8=x+17
I need help

How do i do this activity, is appreciated

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

Angela is buying a dress that is on sale for 20% off. if the original price of the dress is $40.00, how much money is angela saving on the dress? a. $0.80 b. $3.20 c. $32.00 d. $8.00