Solve for x
x=-1
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8x+18-3x=13
Use the distributive property to multiply 2 by 4x+9.
5x+18=13
Combine 8x and -3x to get 5x.
5x=13-18
Subtract 18 from both sides.
5x=-5
Subtract 18 from 13 to get -5.
x=\frac{-5}{5}
Divide both sides by 5.
x=-1
Divide -5 by 5 to get -1.
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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