Solve for y
y = \frac{23}{3} = 7\frac{2}{3} \approx 7.666666667
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8\times \frac{1}{6}+y=9
Multiply 2 and 4 to get 8.
\frac{8}{6}+y=9
Multiply 8 and \frac{1}{6} to get \frac{8}{6}.
\frac{4}{3}+y=9
Reduce the fraction \frac{8}{6} to lowest terms by extracting and canceling out 2.
y=9-\frac{4}{3}
Subtract \frac{4}{3} from both sides.
y=\frac{27}{3}-\frac{4}{3}
Convert 9 to fraction \frac{27}{3}.
y=\frac{27-4}{3}
Since \frac{27}{3} and \frac{4}{3} have the same denominator, subtract them by subtracting their numerators.
y=\frac{23}{3}
Subtract 4 from 27 to get 23.
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y = 3x + 4
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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 ) }
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Limits
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