Evaluate
-7
Factor
-7
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-\frac{4+3}{4}-\frac{6\times 3+1}{3}-2.25+\frac{10}{3}
Multiply 1 and 4 to get 4.
-\frac{7}{4}-\frac{6\times 3+1}{3}-2.25+\frac{10}{3}
Add 4 and 3 to get 7.
-\frac{7}{4}-\frac{18+1}{3}-2.25+\frac{10}{3}
Multiply 6 and 3 to get 18.
-\frac{7}{4}-\frac{19}{3}-2.25+\frac{10}{3}
Add 18 and 1 to get 19.
-\frac{21}{12}-\frac{76}{12}-2.25+\frac{10}{3}
Least common multiple of 4 and 3 is 12. Convert -\frac{7}{4} and \frac{19}{3} to fractions with denominator 12.
\frac{-21-76}{12}-2.25+\frac{10}{3}
Since -\frac{21}{12} and \frac{76}{12} have the same denominator, subtract them by subtracting their numerators.
-\frac{97}{12}-2.25+\frac{10}{3}
Subtract 76 from -21 to get -97.
-\frac{97}{12}-\frac{9}{4}+\frac{10}{3}
Convert decimal number 2.25 to fraction \frac{225}{100}. Reduce the fraction \frac{225}{100} to lowest terms by extracting and canceling out 25.
-\frac{97}{12}-\frac{27}{12}+\frac{10}{3}
Least common multiple of 12 and 4 is 12. Convert -\frac{97}{12} and \frac{9}{4} to fractions with denominator 12.
\frac{-97-27}{12}+\frac{10}{3}
Since -\frac{97}{12} and \frac{27}{12} have the same denominator, subtract them by subtracting their numerators.
\frac{-124}{12}+\frac{10}{3}
Subtract 27 from -97 to get -124.
-\frac{31}{3}+\frac{10}{3}
Reduce the fraction \frac{-124}{12} to lowest terms by extracting and canceling out 4.
\frac{-31+10}{3}
Since -\frac{31}{3} and \frac{10}{3} have the same denominator, add them by adding their numerators.
\frac{-21}{3}
Add -31 and 10 to get -21.
-7
Divide -21 by 3 to get -7.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
Matrix
\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}