Please Help <3<3

I know the answer is f=35 but i just need the steps

Will mark brainliest if you answer ! the taco shop sold 198 lunches friday. this number is 3 more than 3 times the number they sold monday. let n represent the number of lunches sold monday. which equation shows an equality between two different ways of expressing the number of lunches sold on friday? a. n – 3 = 198 b. 3n – 3 = 198 c. 3n + 3 = 198 d. n + 3 = 198

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?