Solve for x
x=-\frac{3}{4}=-0.75
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x-3-5x=0
Subtract 5x from both sides.
-4x-3=0
Combine x and -5x to get -4x.
-4x=3
Add 3 to both sides. Anything plus zero gives itself.
x=\frac{3}{-4}
Divide both sides by -4.
x=-\frac{3}{4}
Fraction \frac{3}{-4} can be rewritten as -\frac{3}{4} by extracting the negative sign.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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
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Limits
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