Verify the following : [(-2)+(-9)]+6 = (-2)+[(-9)+6]

Match the items on the right to the items on the left.

Step 1

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Step 4

[(-2)+(-9)]+6 = (-2)+[(-9)+6]

[(-2)+(-9)]+6 = (-11) + 6 = -5

(-2)+[(-9)+6] = (-2) + (-3) = -5

Thus, [(-2)+(-9)]+6 = (-2)+[(-9)+6]