Solve for b
b=-5
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-b=13-8
Subtract 8 from both sides.
-b=5
Subtract 8 from 13 to get 5.
b=-5
Multiply both sides by -1.
Examples
Quadratic equation
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Linear equation
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Matrix
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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