Solve for x
x=4
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9-3x+9=2\left(x-4\right)+6
Use the distributive property to multiply 3 by 3-x.
18-3x=2\left(x-4\right)+6
Add 9 and 9 to get 18.
18-3x=2x-8+6
Use the distributive property to multiply 2 by x-4.
18-3x=2x-2
Add -8 and 6 to get -2.
18-3x-2x=-2
Subtract 2x from both sides.
18-5x=-2
Combine -3x and -2x to get -5x.
-5x=-2-18
Subtract 18 from both sides.
-5x=-20
Subtract 18 from -2 to get -20.
x=\frac{-20}{-5}
Divide both sides by -5.
x=4
Divide -20 by -5 to get 4.
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
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\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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