What number minus one's cube minus 15 equals 3360? What number minus one's cube minus 15 equals 3360 (absolute value)?

What number minus one's cube minus 15 equals 3360? What number minus one's cube minus 15 equals 3360 (absolute value)?


Suppose this number is X
Then: (x-1) ^ 3-15 = 3360
The solution is x = 16



A number plus 215 minus 312 equals 116. How to find this number
I haven't learned unknowns yet


116+312-215=213
Backward push
If you subtract 312, you'll get 116. If you don't subtract 312, you'll get 312
If you add 215, you subtract 215



How much is one fifth of 40 equal to 60? A: two eighth B: C: which one?


C



60% x plus 15 equals 40?


60%X+15=40
60%X=25
X=25/60%=125/3