Solve for x
x=-4
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-2x+5-3x=25
Subtract 3x from both sides.
-5x+5=25
Combine -2x and -3x to get -5x.
-5x=25-5
Subtract 5 from both sides.
-5x=20
Subtract 5 from 25 to get 20.
x=\frac{20}{-5}
Divide both sides by -5.
x=-4
Divide 20 by -5 to get -4.
Examples
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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 ) }
Integration
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Limits
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