Solve for x
x=8
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3x-4-4=16
Multiply both sides of the equation by 2.
3x-8=16
Subtract 4 from -4 to get -8.
3x=16+8
Add 8 to both sides.
3x=24
Add 16 and 8 to get 24.
x=\frac{24}{3}
Divide both sides by 3.
x=8
Divide 24 by 3 to get 8.
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Matrix
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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