Solve for x
x=-3
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\frac{1}{99}x+\frac{1}{99}+\frac{297}{99}=2x+2+\frac{691}{99}
Convert 3 to fraction \frac{297}{99}.
\frac{1}{99}x+\frac{1+297}{99}=2x+2+\frac{691}{99}
Since \frac{1}{99} and \frac{297}{99} have the same denominator, add them by adding their numerators.
\frac{1}{99}x+\frac{298}{99}=2x+2+\frac{691}{99}
Add 1 and 297 to get 298.
\frac{1}{99}x+\frac{298}{99}=2x+\frac{198}{99}+\frac{691}{99}
Convert 2 to fraction \frac{198}{99}.
\frac{1}{99}x+\frac{298}{99}=2x+\frac{198+691}{99}
Since \frac{198}{99} and \frac{691}{99} have the same denominator, add them by adding their numerators.
\frac{1}{99}x+\frac{298}{99}=2x+\frac{889}{99}
Add 198 and 691 to get 889.
\frac{1}{99}x+\frac{298}{99}-2x=\frac{889}{99}
Subtract 2x from both sides.
-\frac{197}{99}x+\frac{298}{99}=\frac{889}{99}
Combine \frac{1}{99}x and -2x to get -\frac{197}{99}x.
-\frac{197}{99}x=\frac{889}{99}-\frac{298}{99}
Subtract \frac{298}{99} from both sides.
-\frac{197}{99}x=\frac{889-298}{99}
Since \frac{889}{99} and \frac{298}{99} have the same denominator, subtract them by subtracting their numerators.
-\frac{197}{99}x=\frac{591}{99}
Subtract 298 from 889 to get 591.
-\frac{197}{99}x=\frac{197}{33}
Reduce the fraction \frac{591}{99} to lowest terms by extracting and canceling out 3.
x=\frac{197}{33}\left(-\frac{99}{197}\right)
Multiply both sides by -\frac{99}{197}, the reciprocal of -\frac{197}{99}.
x=\frac{197\left(-99\right)}{33\times 197}
Multiply \frac{197}{33} times -\frac{99}{197} by multiplying numerator times numerator and denominator times denominator.
x=\frac{-99}{33}
Cancel out 197 in both numerator and denominator.
x=-3
Divide -99 by 33 to get -3.
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Matrix
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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
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