Solve for x
x=\frac{5}{7}\approx 0.714285714
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1-4x=3x-4
Multiply both sides of the equation by 4.
1-4x-3x=-4
Subtract 3x from both sides.
1-7x=-4
Combine -4x and -3x to get -7x.
-7x=-4-1
Subtract 1 from both sides.
-7x=-5
Subtract 1 from -4 to get -5.
x=\frac{-5}{-7}
Divide both sides by -7.
x=\frac{5}{7}
Fraction \frac{-5}{-7} can be simplified to \frac{5}{7} by removing the negative sign from both the numerator and the denominator.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
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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