Respuesta :

Mirandawolfaj

Answer:

t=0

Step-by-step explanation:

( 7t - 2 ) - ( -3t + 1 ) = -3 ( 1 -3t )

First, get rid of parentheses.

7t-2+3t-1=-3+9t

Now, simplify by adding or subtracting different variables.

7t+3t-9t=2+1-3

10t-9t=0

t=0

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