Each number is equal to itself - and to no other number.
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-16 minus -16 is 0.
16 is equal to 16.16 is equal to 16.16 is equal to 16.16 is equal to 16.
The equation cannot be solved without an '= ###'. If it was a^2-6a-16=0, then a could equal 8 or -2.
16 time 1 equals 16 16 times 2 equal 32 16 times 3 equal 48 16 times 4 equal 64 16 times 5 equal 80 16 times 6 equal 96 16 times 7 equal 112 16 times 8 equal 128 16 times 9 equal 144 16 times 10 equal 160
16