Solve for y
y = \frac{600 \sqrt{3} - 960}{11} \approx 7.202771322
Graph
Quiz
Linear Equation
5 problems similar to:
\sqrt { 3 } y + \frac { 16 y } { 8 - 4 \sqrt { 3 } } = 120
Share
Copied to clipboard
\sqrt{3}y+\frac{16y\left(8+4\sqrt{3}\right)}{\left(8-4\sqrt{3}\right)\left(8+4\sqrt{3}\right)}=120
Rationalize the denominator of \frac{16y}{8-4\sqrt{3}} by multiplying numerator and denominator by 8+4\sqrt{3}.
\sqrt{3}y+\frac{16y\left(8+4\sqrt{3}\right)}{8^{2}-\left(-4\sqrt{3}\right)^{2}}=120
Consider \left(8-4\sqrt{3}\right)\left(8+4\sqrt{3}\right). Multiplication can be transformed into difference of squares using the rule: \left(a-b\right)\left(a+b\right)=a^{2}-b^{2}.
\sqrt{3}y+\frac{16y\left(8+4\sqrt{3}\right)}{64-\left(-4\sqrt{3}\right)^{2}}=120
Calculate 8 to the power of 2 and get 64.
\sqrt{3}y+\frac{16y\left(8+4\sqrt{3}\right)}{64-\left(-4\right)^{2}\left(\sqrt{3}\right)^{2}}=120
Expand \left(-4\sqrt{3}\right)^{2}.
\sqrt{3}y+\frac{16y\left(8+4\sqrt{3}\right)}{64-16\left(\sqrt{3}\right)^{2}}=120
Calculate -4 to the power of 2 and get 16.
\sqrt{3}y+\frac{16y\left(8+4\sqrt{3}\right)}{64-16\times 3}=120
The square of \sqrt{3} is 3.
\sqrt{3}y+\frac{16y\left(8+4\sqrt{3}\right)}{64-48}=120
Multiply 16 and 3 to get 48.
\sqrt{3}y+\frac{16y\left(8+4\sqrt{3}\right)}{16}=120
Subtract 48 from 64 to get 16.
\sqrt{3}y+y\left(8+4\sqrt{3}\right)=120
Cancel out 16 and 16.
\sqrt{3}y+8y+4y\sqrt{3}=120
Use the distributive property to multiply y by 8+4\sqrt{3}.
5\sqrt{3}y+8y=120
Combine \sqrt{3}y and 4y\sqrt{3} to get 5\sqrt{3}y.
\left(5\sqrt{3}+8\right)y=120
Combine all terms containing y.
\frac{\left(5\sqrt{3}+8\right)y}{5\sqrt{3}+8}=\frac{120}{5\sqrt{3}+8}
Divide both sides by 5\sqrt{3}+8.
y=\frac{120}{5\sqrt{3}+8}
Dividing by 5\sqrt{3}+8 undoes the multiplication by 5\sqrt{3}+8.
y=\frac{600\sqrt{3}-960}{11}
Divide 120 by 5\sqrt{3}+8.
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}