Solve for u
u=1
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3u-2=\frac{7}{7}
Divide both sides by 7.
3u-2=1
Divide 7 by 7 to get 1.
3u=1+2
Add 2 to both sides.
3u=3
Add 1 and 2 to get 3.
u=\frac{3}{3}
Divide both sides by 3.
u=1
Divide 3 by 3 to get 1.
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 ) }
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Limits
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