Solve for x
x=-63
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87-150-x=0
Add 78 and 72 to get 150.
-63-x=0
Subtract 150 from 87 to get -63.
-x=63
Add 63 to both sides. Anything plus zero gives itself.
x=-63
Multiply both sides by -1.
Examples
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Linear equation
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Matrix
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Simultaneous equation
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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