haley445 haley445
  • 30-10-2014
  • Mathematics
contestada

14-3(5t-12)=1-(20t+1)
How am I supposed to do this?

Respuesta :

olemakpadu
olemakpadu olemakpadu
  • 30-10-2014
Expand by multiplying out:

14-15t + 36 = 1 -20t -1,
Because of the minus before the bracket, it changes the sign inside the bracket
-15t + 20t  = 1-1-14-36  Rearranging the ts on one side and the numbers on other
                                   side.
5t = -50  Divide both sides by 5.
t =  -50/5
t = -10.


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