Solve for B_3
B_{3}=10
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2B_{3}=26-6
Combine B_{3} and B_{3} to get 2B_{3}.
2B_{3}=20
Subtract 6 from 26 to get 20.
B_{3}=\frac{20}{2}
Divide both sides by 2.
B_{3}=10
Divide 20 by 2 to get 10.
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