Question

Verify (a + b) + c = a + (b + c) for the values of a = ( - 9 ), b = ( - 7 )and c = 6.​

Answer 1

Answer:

(a+b) +c=-10

a+(b+c) =-10

therefore both are equal

Answer 2

Answer:

lhs=rhs

Step-by-step explanation:

( -9 -7 ) + 6 = - 9 + ( -7 + 1 )

(-16) + 6 = -9 + (-1)

-10 = -10

LHS=RHS