Verify the associative property of the addition
$(- 5) + 2 + (- 1)$

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Solution

Verify the associative property of $(- 5) + 2 + (- 1)$
According to the Associative property of addition of integers, for any three integers $a, b and c$ , $(a + b) + c = a + (b + c)$ .
$\begin{array}{rcl} [(- 5) + 2] + (- 1) & = & (- 5) + [2 + (- 1)] \\ - 3 + (- 1) & = & - 5 + 1 \\ - 4 & = & - 4 \\ i . e ., L H S & = & R H S \end{array}$
Therefore, this equation follows the associative property of the addition.

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Verify the associative property of the addition(-5)+2+(-1)

Verify the associative property of (-5)+2+(-1)According to the Associative property of addition of integers, for any three integers a,bandc, a+b+c=a+b+c.(-5)+2+(-1)=(-5)+2+(-1)-3+(-1)=-5+1-4=-4i.e.,LHS=RHSTherefore, this equation follows the associative property of the addition.

Verify the associative property of the addition
$(- 5) + 2 + (- 1)$