Mathematics
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OpenStudy (anonymous):
6x-2(4-3x)=7-3(17-x)
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OpenStudy (anonymous):
Anyone reply please..:-(
OpenStudy (anonymous):
Wanna work on this together again?
OpenStudy (anonymous):
Ceratinly...
OpenStudy (anonymous):
Awesome. What do we do first?
OpenStudy (anonymous):
I just wanna clarify,
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OpenStudy (anonymous):
I ve worked it out...
OpenStudy (anonymous):
Here it goes...
OpenStudy (anonymous):
Okie dokie.
OpenStudy (anonymous):
6x-(8-6x)=7-51-3x
OpenStudy (anonymous):
Close
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OpenStudy (anonymous):
6x-8-6x=7-51-3x
6x-6x-8=-44-3x
OpenStudy (anonymous):
6x-6x+3x=-44+8
3x=-36
OpenStudy (anonymous):
x=-36/3
x=-12
OpenStudy (anonymous):
6x-2(4-3x)=7-3(17-x)
6x-(8-6x)=7-51+3
OpenStudy (anonymous):
is that perfect..?
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OpenStudy (anonymous):
On your first simplification, do you see where it went wrong?
OpenStudy (anonymous):
Well, look back at your first simplification.
OpenStudy (anonymous):
No can u please guide me...
OpenStudy (anonymous):
Sure thing!
OpenStudy (anonymous):
The original problem was:
6x-2(4-3x)=7-3(17-x)
You simplified to
6x-(8-6x)=7-51-3x
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OpenStudy (anonymous):
Everything was good except one part.
What is -3 times -x?
OpenStudy (anonymous):
It's 3x
OpenStudy (anonymous):
Yup. So what do we need to change?
OpenStudy (anonymous):
Reminder:
The original problem was: 6x-2(4-3x)=7-3(17-x)
You simplified to 6x-(8-6x)=7-51-3x
OpenStudy (anonymous):
6x-(8-6x)=7-51+3x
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OpenStudy (anonymous):
yup!
OpenStudy (anonymous):
:-)
OpenStudy (anonymous):
And now simplify the parentheses on the left.
OpenStudy (anonymous):
6x-8+6x=7-51+3x
OpenStudy (anonymous):
perfecto!
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OpenStudy (anonymous):
Now combine similar terms.
OpenStudy (anonymous):
6x+6x-3x=7-51+8
OpenStudy (anonymous):
good
now squish them together.
OpenStudy (anonymous):
9x=-36
x=-36/9
x=-12
OpenStudy (anonymous):
You were right up to here:
x=-36/9
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OpenStudy (anonymous):
36/ three would be 12.
OpenStudy (anonymous):
So just recheck the
-36/9 part and you'll be all set!
OpenStudy (anonymous):
Sorry simple mistake, it;'s -4
OpenStudy (anonymous):
Perfect! That's the correct answer when you plug it back in!
OpenStudy (anonymous):
Sure, thanks, r u a teacher...
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OpenStudy (anonymous):
Nope, just a calculus student. ;)
You asked me earlier. lol
OpenStudy (anonymous):
Excellent:-)
OpenStudy (anonymous):
Bye for now enjoy...