Solve for x
x = -\frac{9}{4} = -2\frac{1}{4} = -2.25
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Linear Equation
5 problems similar to:
\frac{ x-2 }{ 6 } - \frac{ x+2 }{ 3 } = 1+ \frac{ x-1 }{ 2 }
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x-2-2\left(x+2\right)=6+3\left(x-1\right)
Multiply both sides of the equation by 6, the least common multiple of 6,3,2.
x-2-2x-4=6+3\left(x-1\right)
Use the distributive property to multiply -2 by x+2.
-x-2-4=6+3\left(x-1\right)
Combine x and -2x to get -x.
-x-6=6+3\left(x-1\right)
Subtract 4 from -2 to get -6.
-x-6=6+3x-3
Use the distributive property to multiply 3 by x-1.
-x-6=3+3x
Subtract 3 from 6 to get 3.
-x-6-3x=3
Subtract 3x from both sides.
-4x-6=3
Combine -x and -3x to get -4x.
-4x=3+6
Add 6 to both sides.
-4x=9
Add 3 and 6 to get 9.
x=\frac{9}{-4}
Divide both sides by -4.
x=-\frac{9}{4}
Fraction \frac{9}{-4} can be rewritten as -\frac{9}{4} 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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\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}