a.(x-36):36=36|×36
x-36=1296|+36
x=1332
b.(27+2x)÷27=27|×27
27+2x=729|-27
2x=702|:2
x=351
c.(650-x)×65=4225|÷65
650-x=65|650-
x=585
Sper ca te-am ajutat!
Teutza xoxo