could some one please explain how to graph the inequality −8 greater than or equal to −5x + 2 > −38?
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OpenStudy (anonymous):
your goal here is to graph the values of x that satisfy the inequalty. do you know how to solve an equation?
OpenStudy (anonymous):
kind of
OpenStudy (anonymous):
can you solve this
3x-5=11
OpenStudy (anonymous):
yes it Is 5.3 I think...
OpenStudy (anonymous):
use fractions
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OpenStudy (anonymous):
3x/3 and 11/3???????
OpenStudy (anonymous):
?
3x-5 = 11 => 3x = 16 (adding 5 to both sides)
3x= 16 => x = 16/3 (dividing both sides by 3)
OpenStudy (anonymous):
omg oops sorry im stupid
OpenStudy (anonymous):
come on... don't you dare do that!
OpenStudy (anonymous):
sorry
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OpenStudy (anonymous):
so then I would divide 16 by 3?
OpenStudy (anonymous):
well, solving an inequality is very much the same with only a few differences.
1. suppose a>b, then -a<-b so if we multiply or divide by a negative number, we have to change the direction of the inequality
for example... it's true that 1 < 5, but -1 > -5
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