Solve for b
b=5
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9b-6-6b=9
Subtract 6b from both sides.
3b-6=9
Combine 9b and -6b to get 3b.
3b=9+6
Add 6 to both sides.
3b=15
Add 9 and 6 to get 15.
b=\frac{15}{3}
Divide both sides by 3.
b=5
Divide 15 by 3 to get 5.
Examples
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y = 3x + 4
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Matrix
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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