Solve for x.
5x-1/4=6
What value of x makes the equation true?
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OpenStudy (anonymous):
@ikram002p
OpenStudy (astrophysics):
\[\frac{ 5x-1 }{ 4 }=6\] like this?
OpenStudy (anonymous):
yes
OpenStudy (astrophysics):
You can cross multiply
OpenStudy (astrophysics):
\[5x-1 = 6(4)\] now solve for x
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OpenStudy (anonymous):
-19
OpenStudy (astrophysics):
No, not quite, how did you get that?
OpenStudy (ikram002p):
is the equation like this \(\Large 5x-\frac{1}{4}=6 \) or \(\Large \frac{5x-1}{4}=6 \) ??
OpenStudy (anonymous):
the 2nd one
OpenStudy (ikram002p):
oh then gon on with @Astrophysics
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OpenStudy (astrophysics):
When doing algebra, what you do to one side you must also do to the other, and to figure out what operation to do, just do the opposite of what already exists :)
So see we have 5x-1 = 20 and we want to get x on its own.
So first lets get rid of the -1, to do that as I mentioned above do the opposite operation of it and then do it to both left and right side as follow