Solve for b
b=7
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-4b+24b+32=172
Use the distributive property to multiply -4 by -6b-8.
20b+32=172
Combine -4b and 24b to get 20b.
20b=172-32
Subtract 32 from both sides.
20b=140
Subtract 32 from 172 to get 140.
b=\frac{140}{20}
Divide both sides by 20.
b=7
Divide 140 by 20 to get 7.
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