Solve for x
x=2
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Linear Equation
5 problems similar to:
( 4.5 - 2 x ) \cdot 1 \frac { 4 } { 7 } = \frac { 11 } { 14 }
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2\left(4.5-2x\right)\left(1\times 7+4\right)=11
Multiply both sides of the equation by 14, the least common multiple of 7,14.
2\left(4.5-2x\right)\left(7+4\right)=11
Multiply 1 and 7 to get 7.
2\left(4.5-2x\right)\times 11=11
Add 7 and 4 to get 11.
22\left(4.5-2x\right)=11
Multiply 2 and 11 to get 22.
99-44x=11
Use the distributive property to multiply 22 by 4.5-2x.
-44x=11-99
Subtract 99 from both sides.
-44x=-88
Subtract 99 from 11 to get -88.
x=\frac{-88}{-44}
Divide both sides by -44.
x=2
Divide -88 by -44 to get 2.
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{ x } ^ { 2 } - 4 x - 5 = 0
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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
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}