Mathematics
15 Online
OpenStudy (anonymous):
Solve 3(x + 1) + 6 = 33.
10
8
8.7
-8
I picked 8.7 because when I did the work I got 8.67 am I right?
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OpenStudy (anonymous):
multiply the 3(x+1)
try to do it i will help u
OpenStudy (anonymous):
Would the 3X + 1 become 4x?
OpenStudy (anonymous):
no it would be 3x+3
OpenStudy (anonymous):
now it will be:
3x+3+6=33
OpenStudy (anonymous):
add 3 and 6
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OpenStudy (anonymous):
Okay so I add 3 to every part of the equation? Is that why it's 3x + 3?
OpenStudy (anonymous):
Nows its: 3x + 9 = 33 ?
OpenStudy (anonymous):
33-9 = 24
24 / 3 = 8
is that right?
OpenStudy (anonymous):
yep its 8
OpenStudy (anonymous):
Can I ask you for help with one more?
Thank so much for your help already
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OpenStudy (anonymous):
yep suuuuure:)
OpenStudy (anonymous):
Solve for x: 1 over 4 (2x − 14) = 4
15
15 over 2
9
11
OpenStudy (anonymous):
first multiply 4(2x-14)
OpenStudy (anonymous):
4 X 2 = 8
and
4 X 14 = 56
OpenStudy (anonymous):
yep so it will be
1 over (8x-56)=4
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OpenStudy (anonymous):
now multiply 4 (8x-56)
OpenStudy (anonymous):
4 + 56 = 60
60 / 8 = 7.5
OpenStudy (anonymous):
|dw:1383755936922:dw|
OpenStudy (anonymous):
4(8x-56)=32x-224
OpenStudy (anonymous):
I have no idea what just happened, out of the choices:
15
15 over 2
9
11
which did you say
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OpenStudy (anonymous):
are u sure that these are the chosies?
OpenStudy (anonymous):
Yes I picked 9 and it was wrong.
OpenStudy (anonymous):
can u check the quetion plz?
OpenStudy (anonymous):
coz i got 7 it did it several times and i got 7
OpenStudy (anonymous):
hallo r u still there?