Solve for x
x=\frac{3}{5}=0.6
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27=45x
Variable x cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by x.
45x=27
Swap sides so that all variable terms are on the left hand side.
x=\frac{27}{45}
Divide both sides by 45.
x=\frac{3}{5}
Reduce the fraction \frac{27}{45} to lowest terms by extracting and canceling out 9.
Examples
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y = 3x + 4
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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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