Solve for x
x=0
Solve for y (complex solution)
y\in \mathrm{C}
x=0
Solve for y
y\in \mathrm{R}
x=0
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7x-7y+4y=11x-3y
Combine x and 6x to get 7x.
7x-3y=11x-3y
Combine -7y and 4y to get -3y.
7x-3y-11x=-3y
Subtract 11x from both sides.
-4x-3y=-3y
Combine 7x and -11x to get -4x.
-4x=-3y+3y
Add 3y to both sides.
-4x=0
Combine -3y and 3y to get 0.
x=0
Product of two numbers is equal to 0 if at least one of them is 0. Since -4 is not equal to 0, x must be equal to 0.
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}