adrianaclaytonn adrianaclaytonn
  • 22-02-2017
  • Mathematics
contestada

how do i do this?? Can you please help ? :

how do i do this Can you please help class=

Respuesta :

Аноним Аноним
  • 22-02-2017
4. −3(b−4)=−2b
 = −3b+12=−2b
 = −3b+12+2b=−2b+2b = −b+12=0
 = −b+12−12=0−12 = −b=−12
 = −b−1=−12−1
      b=12
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XianLin
XianLin XianLin
  • 22-02-2017
Since skatergirl has already done question 4, here is the solution for question 5. Feel free to ask if you are unsure of any step! :)
Ver imagen XianLin
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