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OpenStudy (anonymous):
NEED HELP PLEASEEE!!! I WILL GIVE MEDALS!!! What is the value of the variable A that makes the statement true? A + (–7) + 3 = 0 A. –4 B. –3 C. 4 D. 7
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OpenStudy (nikato):
What is (-7)+3?
OpenStudy (anonymous):
C
OpenStudy (anonymous):
@nikato -4
OpenStudy (nikato):
Yes So A-4=0 Now add 4 to both sides so you're only left with A on the left side
OpenStudy (anonymous):
I'm very confused. Can I see an example?
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OpenStudy (anonymous):
A-4=0 +4=0+4 which equals A=4
OpenStudy (anonymous):
You 100% sure?
OpenStudy (nikato):
Yea. That's right!
OpenStudy (nikato):
A-4=0 +4. +4 --------- A-4+4 = 0+4. Remember -4+4=0 So A+0= 0+4 Simplify A=4
OpenStudy (anonymous):
yesss. medal?
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