SOLUTION: 7- (-4t) = 4t-14-21t

Question 219132: 7- (-4t) = 4t-14-21t
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
7- (-4t) = 4t-14-21t
7+4t=-17t-14
4t+17t=-14-7
21t=-21
t=-21/21
t=-1 ans.
Proof:
7-(-4*-1)=4*-1-14-21*-1
7-4=-4-14+21
3=3

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