Solve for x
x = \frac{17}{3} = 5\frac{2}{3} \approx 5.666666667
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3x-9=8
Swap sides so that all variable terms are on the left hand side.
3x=8+9
Add 9 to both sides.
3x=17
Add 8 and 9 to get 17.
x=\frac{17}{3}
Divide both sides by 3.
Examples
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Linear equation
y = 3x + 4
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Matrix
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Simultaneous equation
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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