Question

Who will answer will be marked as brainly

Answer 1

hope it helps...

pls mark it as brainliest

Answer 2

Answer:

hello mate,

7 a)

$( 12 + 9) + ( - 9 + 3)$

$12 + 9 - 9 + 3$

$12 + 3$

$15$

b)

$(15 + 60 - 42) + (( - 33) + 3)$

$15 + 60 - 42 - 33 + 3$

$15 + 18 - 33 + 3$

$36 - 33$

$3$

c)

$(9 + 6 - 12 - 3) + ( - 48)$

$9 + 6 - 12 - 3 - 48$

$15 - 15 - 48$

$- 48$

8 a)

0and 4= 1,2,3

b)-4 and4 =-3,-2,-1,0,1,2,3

c)-7 and 0=-6,-5,-4 -3,-2,-1

I hope it helps u

pls mark as brainlist