Solve for x
x = \frac{45}{2} = 22\frac{1}{2} = 22.5
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\frac{90}{4}=x
Divide both sides by 4.
\frac{45}{2}=x
Reduce the fraction \frac{90}{4} to lowest terms by extracting and canceling out 2.
x=\frac{45}{2}
Swap sides so that all variable terms are on the left hand side.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
y = 3x + 4
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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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