Why did british rule start to come to an end during the 1940's

 the British reaction to Amritsar – the officer commanding British troops at Amritsar, General Dyer, was simply allowed to resign his commission after an inquiry criticised his leadership during the riot. Many national Indians felt that he, and others in the army, had got away very lightly. The more radical Indians felt that the British government had all but sanctioned murder. 

Amath expression is a collection of one or more terms, which are separated by the signs ( + , - , x , / ).example :   8+b8+b  or  a−3a−3in algebra, an equation is a mathematical statement with two expressions where, each expression is separated by an equal (=) sign. variables can be present on both the sides of the equality (=) sign and we use letters to denote such variables.example 1:   x=4+2x=4+2  , [here, we can observe that the variable is present only on one side of the equation].example 2:   2x+3=x+42x+3=x+4  , [here, we can observe that the variables are present on both side of the equation].