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OpenStudy (anonymous):
solve for x.
x+2/3=-4
@Liv1234
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OpenStudy (liv1234):
Alright, are there any options?
OpenStudy (anonymous):
A.
–3
B.
1
C.
–10
D.
–14
OpenStudy (liv1234):
okay, so do you know how to solve these?
OpenStudy (anonymous):
sorta
OpenStudy (liv1234):
So, what you wanna do is plug in each number to the X value and see what each one gets you. Let's start with -3.
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OpenStudy (anonymous):
okay
OpenStudy (liv1234):
\[-3+2/3=?\]
OpenStudy (anonymous):
so -3+2/3=4
OpenStudy (liv1234):
Correct, what do you get after plugging the -3 in? Hint: it's not -4.
OpenStudy (liv1234):
\[-2.3\] (the three is repeating)
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OpenStudy (anonymous):
lol um frist add then divide
OpenStudy (anonymous):
try to see if it makes -4
OpenStudy (liv1234):
Oh my, wait, we have to divide first and then add, my mistake.
OpenStudy (anonymous):
okay
OpenStudy (liv1234):
I got the same thing for A when I divided first and then added, so it's not A
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OpenStudy (anonymous):
okay
OpenStudy (liv1234):
\[1+2/3\]
OpenStudy (anonymous):
that equals 1 right?
OpenStudy (liv1234):
Sorry, I was solving haha.
OpenStudy (anonymous):
@fishejac000
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OpenStudy (liv1234):
So, 1+2=3
OpenStudy (liv1234):
3/3=1
OpenStudy (liv1234):
So, it's not A or B.
OpenStudy (anonymous):
oops sorry
OpenStudy (anonymous):
i put accidently put this guy in this sorrt ddint want to do that
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OpenStudy (anonymous):
okay so its not b
OpenStudy (anonymous):
c?
OpenStudy (liv1234):
Correct and it's not C because it doesn't equal -4, so what does that leave you with?
OpenStudy (anonymous):
d!!!!!
OpenStudy (liv1234):
\[-14+2=-12/3=\]
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OpenStudy (liv1234):
Correct!(: Medal?
OpenStudy (anonymous):
lol sorry
OpenStudy (anonymous):
i have another one
OpenStudy (anonymous):
Evaluate the expression by using the given value of the variables.
y ÷ 2 • 4 – 10 ÷ x + 6 where x = 5 and y = 16
OpenStudy (anonymous):
A.
21
B.
3
C.
36
D.
–3
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OpenStudy (liv1234):
Hint: PEMDAS
OpenStudy (anonymous):
real quick is it a
OpenStudy (liv1234):
Okay, so 16/2=8*4=32-10/5+6
OpenStudy (liv1234):
Hint: It's not A or D
OpenStudy (anonymous):
so let me calculate this
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OpenStudy (liv1234):
It's 36 (:
OpenStudy (anonymous):
oh
OpenStudy (anonymous):
its -14/3