Partea I
x:2-150
Partea II
3×rest:5
rest=x-(x:2-150)=x-x:2+150=x:2+150
3×(x:2+150):5=3x:10+450:5=3x:10+90
Partea III
452
Partea I+Partea II+Partea III=x
x:2-150+3x:10+90+452=x
5x:10+3x:10+542-150=x
8x:10+392=x
10x:10-8x:10=392
2x:10=392
2x=3920
x=1960