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OpenStudy (anonymous):
Solve this system of equations using substitution. a+b+c=180 b=3a c=5a
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OpenStudy (anonymous):
a+3a+5a=180 9a=180 a=20
OpenStudy (anonymous):
@Kittyrae15 did u understood
OpenStudy (anonymous):
Yes, thank you.
OpenStudy (anonymous):
u r welcome))
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