Solve for x
x=24.5
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31.5+x=56
Add 10.5 and 21 to get 31.5.
x=56-31.5
Subtract 31.5 from both sides.
x=24.5
Subtract 31.5 from 56 to get 24.5.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
y = 3x + 4
Arithmetic
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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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