Question

Verify x + (y + z)=(x + y) + z for x=-2, y=-3 and z = 7​

Answer 1

LHS               l      RHS

x + (y + z)      l      (x + y) + z

= -2+(-3+7)    l   = (-2+-3)+7

= -2+4            l   = (-5)+7

= 2                 l   =  2

Hence LHS = RHS

Answer 2

Answer: 2

Step-by-step explanation: -2+(-3+7)=(-2+-3)+7

=-2+4=-5+7

=2=2

=2

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