Solve for b
b=0
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1+2b-3b=1
Subtract 3b from both sides.
1-b=1
Combine 2b and -3b to get -b.
-b=1-1
Subtract 1 from both sides.
-b=0
Subtract 1 from 1 to get 0.
b=0
Product of two numbers is equal to 0 if at least one of them is 0. Since -1 is not equal to 0, b must be equal to 0.
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