Solve for z
z = \frac{21}{2} = 10\frac{1}{2} = 10.5
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z=\frac{7}{2}\times 3
Multiply both sides by 3.
z=\frac{7\times 3}{2}
Express \frac{7}{2}\times 3 as a single fraction.
z=\frac{21}{2}
Multiply 7 and 3 to get 21.
Examples
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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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