Solve for B
B=6
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18=2B+B
Multiply both sides of the equation by 6, the least common multiple of 3,6.
18=3B
Combine 2B and B to get 3B.
3B=18
Swap sides so that all variable terms are on the left hand side.
B=\frac{18}{3}
Divide both sides by 3.
B=6
Divide 18 by 3 to get 6.
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