Solve for b
b=4.5
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2b-4-10=5b-27.5
Multiply both sides of the equation by 5.
2b-14=5b-27.5
Subtract 10 from -4 to get -14.
2b-14-5b=-27.5
Subtract 5b from both sides.
-3b-14=-27.5
Combine 2b and -5b to get -3b.
-3b=-27.5+14
Add 14 to both sides.
-3b=-13.5
Add -27.5 and 14 to get -13.5.
b=\frac{-13.5}{-3}
Divide both sides by -3.
b=\frac{-135}{-30}
Expand \frac{-13.5}{-3} by multiplying both numerator and the denominator by 10.
b=\frac{9}{2}
Reduce the fraction \frac{-135}{-30} to lowest terms by extracting and canceling out -15.
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Limits
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