Solve for x
x=\frac{9y+19}{9\left(y+1\right)}
y\neq -1
Solve for y
y=-\frac{9x-19}{9\left(x-1\right)}
x\neq 1
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Linear Equation
5 problems similar to:
3 \cdot ( 2 x - 2 ) \cdot \frac { 3 ( y + 1 ) } { 2 } = 10
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3\left(2x-2\right)\times 3\left(y+1\right)=20
Multiply both sides of the equation by 2.
9\left(2x-2\right)\left(y+1\right)=20
Multiply 3 and 3 to get 9.
\left(18x-18\right)\left(y+1\right)=20
Use the distributive property to multiply 9 by 2x-2.
18xy+18x-18y-18=20
Use the distributive property to multiply 18x-18 by y+1.
18xy+18x-18=20+18y
Add 18y to both sides.
18xy+18x=20+18y+18
Add 18 to both sides.
18xy+18x=38+18y
Add 20 and 18 to get 38.
\left(18y+18\right)x=38+18y
Combine all terms containing x.
\left(18y+18\right)x=18y+38
The equation is in standard form.
\frac{\left(18y+18\right)x}{18y+18}=\frac{18y+38}{18y+18}
Divide both sides by 18y+18.
x=\frac{18y+38}{18y+18}
Dividing by 18y+18 undoes the multiplication by 18y+18.
x=\frac{9y+19}{9\left(y+1\right)}
Divide 38+18y by 18y+18.
3\left(2x-2\right)\times 3\left(y+1\right)=20
Multiply both sides of the equation by 2.
9\left(2x-2\right)\left(y+1\right)=20
Multiply 3 and 3 to get 9.
\left(18x-18\right)\left(y+1\right)=20
Use the distributive property to multiply 9 by 2x-2.
18xy+18x-18y-18=20
Use the distributive property to multiply 18x-18 by y+1.
18xy-18y-18=20-18x
Subtract 18x from both sides.
18xy-18y=20-18x+18
Add 18 to both sides.
18xy-18y=38-18x
Add 20 and 18 to get 38.
\left(18x-18\right)y=38-18x
Combine all terms containing y.
\frac{\left(18x-18\right)y}{18x-18}=\frac{38-18x}{18x-18}
Divide both sides by 18x-18.
y=\frac{38-18x}{18x-18}
Dividing by 18x-18 undoes the multiplication by 18x-18.
y=\frac{19-9x}{9\left(x-1\right)}
Divide 38-18x by 18x-18.
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\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.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}