Question

subtract the sum of 99and -48 from the sum -28-20​

Answer 1

Answer:

99

Step-by-step explanation:

first add 99+(-48)=51

then add -28-20= -48

then subtract -48-51

-(48+51)-99

Answer 2

Answer:

The sum of 99 and -48=99+(-48)=99-48=51

The sum of -28 and -20=(-28)+(-20)= -28-20= -48

The difference of the sum of the -48 and 99 and -28 and -20

=(-48)+99-(-28)+(-20)

=51-(-28)

=51+28

$because \: of \: ( - \times - = + )$

=79