Mathematics
21 Online
OpenStudy (anonymous):
Solve for x.
12x - 8 = 8x - 20
x = -3
x = -1
x = 1
3
x = 3
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OpenStudy (astrophysics):
Start off by collecting like terms
OpenStudy (anonymous):
12x - 8 = 8x - 20
-8x -8x
OpenStudy (astrophysics):
\[12x-8x=-20+8\] now solve for x
OpenStudy (misty1212):
lol start by trying one yourself, this is like the fifth identical question
OpenStudy (anonymous):
lol its about time you guys let me try i fel likea baby i thx hol up
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OpenStudy (anonymous):
okay, XD
OpenStudy (astrophysics):
You should try them out before posting it
OpenStudy (astrophysics):
And then if you're stuck just ask for help
OpenStudy (misty1212):
also @Astrophysics there are no like terms to collect in \[12x-8=8x-20\]
OpenStudy (anonymous):
4-8=20
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OpenStudy (anonymous):
4x-8=-20
OpenStudy (astrophysics):
Like terms...x's on one side and the integers on the other.
OpenStudy (anonymous):
don't forgot the x
OpenStudy (anonymous):
and the negative sign
OpenStudy (anonymous):
4x-8=-20
+8 +8
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OpenStudy (anonymous):
4x=-12
OpenStudy (anonymous):
I think you can do the rest....
OpenStudy (anonymous):
divide both sides by -4
OpenStudy (anonymous):
3
OpenStudy (astrophysics):
-3
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OpenStudy (anonymous):
?
OpenStudy (anonymous):
x=-3
OpenStudy (anonymous):
your dividing both sides by -4, not 4
OpenStudy (astrophysics):
No, you're dividing both side by 4
OpenStudy (astrophysics):
the 12 is just a negative