Solve for x
x=-\frac{5}{18}\approx -0.277777778
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-1-6x=\frac{2}{3}
Subtract 4 from 3 to get -1.
-6x=\frac{2}{3}+1
Add 1 to both sides.
-6x=\frac{2}{3}+\frac{3}{3}
Convert 1 to fraction \frac{3}{3}.
-6x=\frac{2+3}{3}
Since \frac{2}{3} and \frac{3}{3} have the same denominator, add them by adding their numerators.
-6x=\frac{5}{3}
Add 2 and 3 to get 5.
x=\frac{\frac{5}{3}}{-6}
Divide both sides by -6.
x=\frac{5}{3\left(-6\right)}
Express \frac{\frac{5}{3}}{-6} as a single fraction.
x=\frac{5}{-18}
Multiply 3 and -6 to get -18.
x=-\frac{5}{18}
Fraction \frac{5}{-18} can be rewritten as -\frac{5}{18} by extracting the negative sign.
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y = 3x + 4
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\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
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Limits
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