Solve for b
b=20
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21+6b-2b=1+5b
Add 14 and 7 to get 21.
21+4b=1+5b
Combine 6b and -2b to get 4b.
21+4b-5b=1
Subtract 5b from both sides.
21-b=1
Combine 4b and -5b to get -b.
-b=1-21
Subtract 21 from both sides.
-b=-20
Subtract 21 from 1 to get -20.
b=20
Multiply both sides by -1.
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