Solve for b
b=3
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2b-4=\frac{12}{6}
Divide both sides by 6.
2b-4=2
Divide 12 by 6 to get 2.
2b=2+4
Add 4 to both sides.
2b=6
Add 2 and 4 to get 6.
b=\frac{6}{2}
Divide both sides by 2.
b=3
Divide 6 by 2 to get 3.
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