Solve for b
b=7
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-7b-1=-5b-15
Use the distributive property to multiply -5 by b+3.
-7b-1+5b=-15
Add 5b to both sides.
-2b-1=-15
Combine -7b and 5b to get -2b.
-2b=-15+1
Add 1 to both sides.
-2b=-14
Add -15 and 1 to get -14.
b=\frac{-14}{-2}
Divide both sides by -2.
b=7
Divide -14 by -2 to get 7.
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