Solve for x
x=-10
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-15=2x+5
Multiply both sides of the equation by 5.
2x+5=-15
Swap sides so that all variable terms are on the left hand side.
2x=-15-5
Subtract 5 from both sides.
2x=-20
Subtract 5 from -15 to get -20.
x=\frac{-20}{2}
Divide both sides by 2.
x=-10
Divide -20 by 2 to get -10.
Examples
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Matrix
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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