x+20 \% =1.8
Solve for x
x=1.6
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x+\frac{1}{5}=1.8
Reduce the fraction \frac{20}{100} to lowest terms by extracting and canceling out 20.
x=1.8-\frac{1}{5}
Subtract \frac{1}{5} from both sides.
x=\frac{9}{5}-\frac{1}{5}
Convert decimal number 1.8 to fraction \frac{18}{10}. Reduce the fraction \frac{18}{10} to lowest terms by extracting and canceling out 2.
x=\frac{9-1}{5}
Since \frac{9}{5} and \frac{1}{5} have the same denominator, subtract them by subtracting their numerators.
x=\frac{8}{5}
Subtract 1 from 9 to get 8.
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Matrix
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\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 ) }
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Limits
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