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Solve for B
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2AB=100
Combine AB and BA to get 2AB.
2BA=100
The equation is in standard form.
\frac{2BA}{2B}=\frac{100}{2B}
Divide both sides by 2B.
A=\frac{100}{2B}
Dividing by 2B undoes the multiplication by 2B.
A=\frac{50}{B}
Divide 100 by 2B.
2AB=100
Combine AB and BA to get 2AB.
\frac{2AB}{2A}=\frac{100}{2A}
Divide both sides by 2A.
B=\frac{100}{2A}
Dividing by 2A undoes the multiplication by 2A.
B=\frac{50}{A}
Divide 100 by 2A.