\frac { - \frac { 2 } { 7 } \cdot ( - 0,9 ) } { \frac { 3 } { 14 } } = \frac { x } { 5 }
Solve for x
x=6
Graph
Share
Copied to clipboard
5\times \frac{-\frac{2}{7}\left(-0,9\right)}{\frac{3}{14}}=x
Multiply both sides of the equation by 5.
5\times \frac{-\frac{2}{7}\left(-\frac{9}{10}\right)}{\frac{3}{14}}=x
Convert decimal number -0,9 to fraction -\frac{9}{10}.
5\times \frac{\frac{-2\left(-9\right)}{7\times 10}}{\frac{3}{14}}=x
Multiply -\frac{2}{7} times -\frac{9}{10} by multiplying numerator times numerator and denominator times denominator.
5\times \frac{\frac{18}{70}}{\frac{3}{14}}=x
Do the multiplications in the fraction \frac{-2\left(-9\right)}{7\times 10}.
5\times \frac{\frac{9}{35}}{\frac{3}{14}}=x
Reduce the fraction \frac{18}{70} to lowest terms by extracting and canceling out 2.
5\times \frac{9}{35}\times \frac{14}{3}=x
Divide \frac{9}{35} by \frac{3}{14} by multiplying \frac{9}{35} by the reciprocal of \frac{3}{14}.
5\times \frac{9\times 14}{35\times 3}=x
Multiply \frac{9}{35} times \frac{14}{3} by multiplying numerator times numerator and denominator times denominator.
5\times \frac{126}{105}=x
Do the multiplications in the fraction \frac{9\times 14}{35\times 3}.
5\times \frac{6}{5}=x
Reduce the fraction \frac{126}{105} to lowest terms by extracting and canceling out 21.
6=x
Cancel out 5 and 5.
x=6
Swap sides so that all variable terms are on the left hand side.
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}