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Mathematics 19 Online
OpenStudy (anonymous):

Solve -2t + 5 ≥ -7.

pooja195 (pooja195):

We are trying to isolate the t right? so whats -7-5?

pooja195 (pooja195):

Waiting....

OpenStudy (just_one_last_goodbye):

@hilltaiyanna We cant help with out your participation please participate

pooja195 (pooja195):

2t + 5 ≥ -7 if it makes it less confusing think of this as \[\huge~\rm~2t + 5 = -7\] We subtract the 5 \[\huge~\rm~-7-5=?\]

OpenStudy (just_one_last_goodbye):

@pooja195 forgot to mention to subtract 5 - 5 which in other words cancel out

pooja195 (pooja195):

^right

OpenStudy (just_one_last_goodbye):

@hilltaiyanna whats negative 7 subtract negative 5?

OpenStudy (just_one_last_goodbye):

oh sorry the 5 isn't negative so -7 - 5 = ?

OpenStudy (just_one_last_goodbye):

It's -12

OpenStudy (just_one_last_goodbye):

Now multiply both sides by -1 (reverse the sign) (-1) (-2t) ≤ (-1) (-12)

OpenStudy (just_one_last_goodbye):

getting us.... 2t ≤ 12

OpenStudy (just_one_last_goodbye):

Now we divide both sides by 2 \[\frac{ 2t }{ 2 } ≤ \frac{ 12 }{ 2 }\]

OpenStudy (just_one_last_goodbye):

Now since you didn't show a simple part of participation ^_^ you can get the answer for your self

OpenStudy (just_one_last_goodbye):

We dont give direct answers on OS .-.

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