Question

give me answer fast....​

Answer 1

Answer:

-19 + -8 + -15 = -42

-9 + 4 + 15 = 10

 

Step-by-step explanation:

1st answer = -42

2nd answer = 10

so before u do any integer sum u must know this formulae

1. - - = +

2.+  + = +

3. + - = -

4. - + = -

in oral way u say it like

1. minus minus = plus

2. plus plus = plus

3. minus plus = minus

4. plus minus = minus

hopefully this helps

have a great day/night !!