ajutor la 6 urgent ze poate face?

6)
m=?
n=?
n-m=36
m=n:7
metoda grafica:
n /---/---/---/---/---/---/---/
m /---/
n-m [..............................] = 36
6 segmente=36
1 segment=36:6=6
m = 6
n = mx7 = 6x7 = 42