Solve for y
y=9
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18=2y
Variable y cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by y.
2y=18
Swap sides so that all variable terms are on the left hand side.
y=\frac{18}{2}
Divide both sides by 2.
y=9
Divide 18 by 2 to get 9.
Examples
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Matrix
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Simultaneous equation
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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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