Solve for B
B=15
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75=\frac{10}{2}B
Multiply \frac{1}{2} and 10 to get \frac{10}{2}.
75=5B
Divide 10 by 2 to get 5.
5B=75
Swap sides so that all variable terms are on the left hand side.
B=\frac{75}{5}
Divide both sides by 5.
B=15
Divide 75 by 5 to get 15.
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