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six times the difference between a number and 4 equals the product of the number and -2. find the number.
I just want maybe a reteach for this.
*Solving problems with unknown numbers*

Respuesta :

6 ( a - 4 ) = a - 2
6a - 24    = a - 2 
-a               -a
5a - 24    = -2
     + 24       +24
5a = 22
/5     /5
a = 22/5

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