Question

4. Simplify the following.
(a) -15 -(-40)
(b) 136 + (-127)
(c) 19-(-5) + 17 +0
(d) 57 + (-11) - (-10) + 7 (e) (-50) + (-150) + 200 (f) 9-(-5) - 110 + 71
5. Verify a - (-b) = a + b for the following values of a and b.
(a) a = 3, b=-5
(b) a = 18, b = 25
6. Subtract the sum of -110 and 235 from the sum of 103 and -117.
mah
monts​

Answer 1

Answer:

can you tell first we was in the last

Step-by-step explanation:

mah

monts

tell the meaning of them

and the 4and 5 is very easy. I think you do by yourself

Answer 2

Answer:

1) -15+40

2) 136-127

3) 19+5+17+0

4) 57-11+10+7

5) -50-150+200

6) 9+5-110+71

Q. no. 5) verification

a) a=3, b=5

a-(-b) = a+b

3-(-5) = 3+5

8 = 8

b) a=18, b= 25

a-(-b) =a+b

18-(-25)=18+25

43 = 43

Q. no. 6) I dont know this sorry