Solve for x
x = -\frac{7}{2} = -3\frac{1}{2} = -3.5
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9-4x=2-6x
Add 6 and 3 to get 9.
9-4x+6x=2
Add 6x to both sides.
9+2x=2
Combine -4x and 6x to get 2x.
2x=2-9
Subtract 9 from both sides.
2x=-7
Subtract 9 from 2 to get -7.
x=\frac{-7}{2}
Divide both sides by 2.
x=-\frac{7}{2}
Fraction \frac{-7}{2} can be rewritten as -\frac{7}{2} by extracting the negative sign.
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y = 3x + 4
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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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