Question

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

Answer 1

Answer:

Given:-

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

Proof:-(a+b)+c=a+(b+c)

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

then [bractet open]

-8-7+6=-8-7+6

-15+6=-15+6

-9=-9

Hence proof LHS=RHS