Solve for b
b=1
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-2b=-7+5b
Combine -4b and 2b to get -2b.
-2b-5b=-7
Subtract 5b from both sides.
-7b=-7
Combine -2b and -5b to get -7b.
b=\frac{-7}{-7}
Divide both sides by -7.
b=1
Divide -7 by -7 to get 1.
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