Solve for x
x = -\frac{17}{2} = -8\frac{1}{2} = -8.5
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8x+3=2\left(5x+10\right)
Multiply both sides of the equation by 4, the least common multiple of 4,2.
8x+3=10x+20
Use the distributive property to multiply 2 by 5x+10.
8x+3-10x=20
Subtract 10x from both sides.
-2x+3=20
Combine 8x and -10x to get -2x.
-2x=20-3
Subtract 3 from both sides.
-2x=17
Subtract 3 from 20 to get 17.
x=\frac{17}{-2}
Divide both sides by -2.
x=-\frac{17}{2}
Fraction \frac{17}{-2} can be rewritten as -\frac{17}{2} by extracting the negative sign.
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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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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 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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