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OpenStudy (anonymous):
Solve for b,then find the value of b when a=3. 4a=2b-7 A. -9/2 B. 5/2 C. 19/2 D. 17 Please help
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OpenStudy (anonymous):
\[4a=2b-7\] add \(7\)
OpenStudy (anonymous):
\[4a+7=2b\] divide by 2
OpenStudy (anonymous):
\[\frac{4a+7}{2}=b\]
OpenStudy (anonymous):
replace \(a\) by \(3\)
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