How do you solve this ? (sorry for the mess pls reply asap!!!)

Three times the sum of a number and seven is negative thirty-six. what is the number?

Richard save $32 in march he saved $48 in april and $38 in may then richard spent $113 on a keyboard how much money does richard have left

Drag each tile to the correct box. not all tiles will be used. consider the recursively defined function below. create the first five terms of the sequence defined by the given function