anonymous
  • anonymous
Solve -2t + 5 ≥ -7.
Mathematics
chestercat
  • chestercat
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pooja195
  • pooja195
We are trying to isolate the t right? so whats -7-5?
pooja195
  • pooja195
Waiting....
just_one_last_goodbye
  • just_one_last_goodbye
@hilltaiyanna We cant help with out your participation please participate

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pooja195
  • pooja195
2t + 5 ≥ -7 if it makes it less confusing think of this as \[\huge~\rm~2t + 5 = -7\] We subtract the 5 \[\huge~\rm~-7-5=?\]
just_one_last_goodbye
  • just_one_last_goodbye
@pooja195 forgot to mention to subtract 5 - 5 which in other words cancel out
pooja195
  • pooja195
^right
just_one_last_goodbye
  • just_one_last_goodbye
@hilltaiyanna whats negative 7 subtract negative 5?
just_one_last_goodbye
  • just_one_last_goodbye
oh sorry the 5 isn't negative so -7 - 5 = ?
just_one_last_goodbye
  • just_one_last_goodbye
It's -12
just_one_last_goodbye
  • just_one_last_goodbye
Now multiply both sides by -1 (reverse the sign) (-1) (-2t) ≤ (-1) (-12)
just_one_last_goodbye
  • just_one_last_goodbye
getting us.... 2t ≤ 12
just_one_last_goodbye
  • just_one_last_goodbye
Now we divide both sides by 2 \[\frac{ 2t }{ 2 } ≤ \frac{ 12 }{ 2 }\]
just_one_last_goodbye
  • just_one_last_goodbye
Now since you didn't show a simple part of participation ^_^ you can get the answer for your self
just_one_last_goodbye
  • just_one_last_goodbye
We dont give direct answers on OS .-.

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