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OpenStudy (anonymous):
2(x+4) = 30 A. 7 B. 11 C. 15 D. 19
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OpenStudy (thesecret20111):
2(x + 4) = 30 x + 4 = 15 x = 11
OpenStudy (anonymous):
\[ 2(x+4)=30\\ x+4=15\\ x=11 \]
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