Respuesta :

lolgal555
3.
-4(-5 - b) = (1/3)(b + 16)
distribute
20 + 4b = (1/3)b + 16/3
reduce
13/3b = -44/3
divide
b = -44/13

4.
(3/5)(t + 18) = -3(2 - t)
distribute
3/5t + 54/5 = -6 + 3t
reduce
 84/5= 12/5t
divide
7 = t

I hope this helps :)

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