Solve for y
y=-20
Graph
Share
Copied to clipboard
y=18.5\left(-\frac{40}{37}\right)
Multiply both sides by -\frac{40}{37}, the reciprocal of -\frac{37}{40}.
y=\frac{37}{2}\left(-\frac{40}{37}\right)
Convert decimal number 18.5 to fraction \frac{185}{10}. Reduce the fraction \frac{185}{10} to lowest terms by extracting and canceling out 5.
y=\frac{37\left(-40\right)}{2\times 37}
Multiply \frac{37}{2} times -\frac{40}{37} by multiplying numerator times numerator and denominator times denominator.
y=\frac{-40}{2}
Cancel out 37 in both numerator and denominator.
y=-20
Divide -40 by 2 to get -20.
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}