Question

M=5 and n=17: n-3m isn't the answer is 22???

Answer 1

n= 17 m=5

Plug in the numbers in the number sentence

17-3*5
Multiply 3 and 5 first which gives you 15

so now its 17 - 15 which is 2

Answer 2

No according to the numbers it would be 17-3(5)
3x5=15
17-15=2

Answer is 2