Solve for b
b=\frac{14}{15}\approx 0.933333333
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-7b+13-8b=-1
Subtract 8b from both sides.
-15b+13=-1
Combine -7b and -8b to get -15b.
-15b=-1-13
Subtract 13 from both sides.
-15b=-14
Subtract 13 from -1 to get -14.
b=\frac{-14}{-15}
Divide both sides by -15.
b=\frac{14}{15}
Fraction \frac{-14}{-15} can be simplified to \frac{14}{15} by removing the negative sign from both the numerator and the denominator.
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