Mathematics
10 Online
OpenStudy (anonymous):
Part 1: Show the work to solve |5x – 2| 8
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OpenStudy (anonymous):
Is the problem supposd to look like 5x -2 = 8?
OpenStudy (jiteshmeghwal9):
well the absolute value is always positive so 5x-2=8
OpenStudy (cwrw238):
there another possibility
5x - 2 = -8
OpenStudy (jiteshmeghwal9):
-(5x-2)=-(8)
OpenStudy (jiteshmeghwal9):
its another possibility
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OpenStudy (anonymous):
well its 5x + 2 = 8 if absolute value is always positive
OpenStudy (jiteshmeghwal9):
subtract 2 from both sides & then divide 5 both sides
OpenStudy (cwrw238):
absolute value is always positive bu whats inside the | | can be negative
OpenStudy (jiteshmeghwal9):
becoz let us take |-6|=-(-6)=6
OpenStudy (jiteshmeghwal9):
& if it is a unknown number than we should multiply this to (-)
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OpenStudy (cwrw238):
i wonder where hello has gone....
OpenStudy (jiteshmeghwal9):
so this question has two answer
OpenStudy (cwrw238):
yes
OpenStudy (jiteshmeghwal9):
hello! is offline now
OpenStudy (jiteshmeghwal9):
so its answers are
5x-2=8
-(5x-2)=-(8)
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OpenStudy (jiteshmeghwal9):
solving these for 'x' will give us answer @hello02713 :)
OpenStudy (cwrw238):
5x - 2 = 8
5x = 10
x = 2
OpenStudy (cwrw238):
your second equation is incorrect
OpenStudy (jiteshmeghwal9):
why ?
OpenStudy (jiteshmeghwal9):
sorry
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OpenStudy (jiteshmeghwal9):
-(5x-2)=8
OpenStudy (cwrw238):
it should be
either
- (5x - 2) = 8
yes