4+5(p-1) =34 solve it fast

If 1 is divided by the sum of y& 4.the result is equal to 3 divided by 4, find the value of m

Tod does not have any cookies. david gives jeff 8 cookies. then he splits half of the cookies he has left with tod. david let’s c represent the number of cookies that he starts with. he finds the number of cookies that tod has is 1/2 the difference of c and 8. write an expression to represent the number of cookies that tod has.

Solve x+3y=6 and 4x-6y=6 by elimination . show work !