Solve for x
x=-5
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5x-9-8x=6
Subtract 8x from both sides.
-3x-9=6
Combine 5x and -8x to get -3x.
-3x=6+9
Add 9 to both sides.
-3x=15
Add 6 and 9 to get 15.
x=\frac{15}{-3}
Divide both sides by -3.
x=-5
Divide 15 by -3 to get -5.
Examples
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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 ) }
Integration
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Limits
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