Question

If a = -8, b = -7, c = 6, verify that (a + b) + c = a +(b+c).
ſ show that (a - b) = (b-a).

Answer 1

Step-by-step explanation:

a = -8, b = -7, c = 6

LHS RHS

+ 6 (-8) + [(-7) + 6]

[-8-7] + 6 (-8) + (-1)

(-15) + 6 -9

-9

AS LHS = RHS

• Hence verified

LHS. RHS

[(-8) - (-7)]. [ (-7) - (-8)]

[ -8 + 7 ]. [ -7 + 8 ]

(-1) 1

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Answer 2

Answer:

Hello Friend here is your answer

Step-by-step explanation:

a = - 8,

b = - 7,

c = 6,

(a + b) + c = a + (b+c)

By putting the values;

(- 8 - 7) + 6 = - 8 + (-7 + 6)

-15 + 6 = - 8 - 1

- 9 = - 9

Hence LHS = RHS

HENCE VERIFIED,

(a - b) = (b - a)

- 8- (- 7) = - 7 - (- 8)

- 8 + 7 = - 7 + 8

- 1 = 1

Hence (a - b) = ( b - a)