Question

explain me chapter integers of class 7 pls it's very important?​

Answer 1

so let me explain you the chapter

+1 is a positive integer an integer which have + sign is called positive integer

-1 is is negative integer an integer which have -sign is called negative integer

learn these formula by heart

+ + =+

- - = +

-. += -

+ - = -

if the question says

+26-22 what we have to do here

26 has a positive sign

22 has a negative sign

so in upper formula I tell +1 -1= -1

so here is the question +26-22 so (+)(-) =(-)

so here we will do (-) means subtract

so 26-22=. 4

so know which sign will come with 4

let see here

the question was +26-22 which digit is bigger 26 so 26 has +sign so the answer would be +4

hope you understand it