Solve for b
b=7
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-7+28b+1=190
Use the distributive property to multiply 7 by -1+4b.
-6+28b=190
Add -7 and 1 to get -6.
28b=190+6
Add 6 to both sides.
28b=196
Add 190 and 6 to get 196.
b=\frac{196}{28}
Divide both sides by 28.
b=7
Divide 196 by 28 to get 7.
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