Solve for x
x=\frac{1-4y}{3}
Solve for y
y=\frac{1-3x}{4}
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3x-1=-4y
Subtract 4y from both sides. Anything subtracted from zero gives its negation.
3x=-4y+1
Add 1 to both sides.
3x=1-4y
The equation is in standard form.
\frac{3x}{3}=\frac{1-4y}{3}
Divide both sides by 3.
x=\frac{1-4y}{3}
Dividing by 3 undoes the multiplication by 3.
4y-1=-3x
Subtract 3x from both sides. Anything subtracted from zero gives its negation.
4y=-3x+1
Add 1 to both sides.
4y=1-3x
The equation is in standard form.
\frac{4y}{4}=\frac{1-3x}{4}
Divide both sides by 4.
y=\frac{1-3x}{4}
Dividing by 4 undoes the multiplication by 4.
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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Matrix
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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
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