Solve for y
y=7
Graph
Share
Copied to clipboard
6y+12=4\left(2y-\frac{1}{2}\right)
Use the distributive property to multiply 3 by 2y+4.
6y+12=8y+4\left(-\frac{1}{2}\right)
Use the distributive property to multiply 4 by 2y-\frac{1}{2}.
6y+12=8y+\frac{4\left(-1\right)}{2}
Express 4\left(-\frac{1}{2}\right) as a single fraction.
6y+12=8y+\frac{-4}{2}
Multiply 4 and -1 to get -4.
6y+12=8y-2
Divide -4 by 2 to get -2.
6y+12-8y=-2
Subtract 8y from both sides.
-2y+12=-2
Combine 6y and -8y to get -2y.
-2y=-2-12
Subtract 12 from both sides.
-2y=-14
Subtract 12 from -2 to get -14.
y=\frac{-14}{-2}
Divide both sides by -2.
y=7
Divide -14 by -2 to get 7.
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}