Solve for x
x=\frac{16-3y}{5}
Solve for y
y=\frac{16-5x}{3}
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5x-7=9-3y
Subtract 3y from both sides.
5x=9-3y+7
Add 7 to both sides.
5x=16-3y
Add 9 and 7 to get 16.
\frac{5x}{5}=\frac{16-3y}{5}
Divide both sides by 5.
x=\frac{16-3y}{5}
Dividing by 5 undoes the multiplication by 5.
3y-7=9-5x
Subtract 5x from both sides.
3y=9-5x+7
Add 7 to both sides.
3y=16-5x
Add 9 and 7 to get 16.
\frac{3y}{3}=\frac{16-5x}{3}
Divide both sides by 3.
y=\frac{16-5x}{3}
Dividing by 3 undoes the multiplication by 3.
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}