Respuesta :

Answer:

3.5t+21=7

3.5t=-14

-t=14/3.5

t=-4

Step-by-step explanation:

Answer: t = -4

Step-by-step explanation:

solve the equation

3.5(t + 6) = 7

3.5t + 21 = 7

3.5t = -14

t = -4