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Mathematics, 29.05.2020 23:13 Crxymia

On a number line, a number, b. is located the same distance from 0 as another number, a, but in the opposite direction.
The number b varies directly with the number a. For example b = = 2 when a = :-2. Which equation represents this direct
variation between a and b?
b = -a
-b = -a
b-a = 0
Ob(-a) = 0

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