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OpenStudy (anonymous):
Solve for a. https://media.glynlyon.com/g_alg01_2012/10/32b.gif 3 36 147
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OpenStudy (nurali):
\[\frac{ a }{ 4}+\frac{ a }{ 3}=21\]
OpenStudy (nurali):
\[\frac{ 3a+4a }{ 12 }=21\]
OpenStudy (nurali):
\[7a=252\]
OpenStudy (anonymous):
36 ??
OpenStudy (anonymous):
add them, you get 7a/12=21 multiply each side times 12, 7a=252 divide both sides by 7, you get, a=36
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OpenStudy (nurali):
\[Correct\]
OpenStudy (anonymous):
A=36 i agree
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