17-4*[6-3*(m/4-15)]+95=100


Răspuns :

17-4x[6-3x(m/4-15)]+95=100
17-4x[6-3(m-60)/4]=100-95
17-4[6-(3m-180)/4]=5
24-4(3m-180)/4=17-5   se simplifica cu 4
24-3m+180=12
204-3m=12
3m=204-12
3m=192
m=192/3
m=64