Solve for u
u=5
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-2u+4=19-5u
Combine u and -3u to get -2u.
-2u+4+5u=19
Add 5u to both sides.
3u+4=19
Combine -2u and 5u to get 3u.
3u=19-4
Subtract 4 from both sides.
3u=15
Subtract 4 from 19 to get 15.
u=\frac{15}{3}
Divide both sides by 3.
u=5
Divide 15 by 3 to get 5.
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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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