Solve for x
x = -\frac{9}{4} = -2\frac{1}{4} = -2.25
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x+3+3x=-6
Add 3x to both sides.
4x+3=-6
Combine x and 3x to get 4x.
4x=-6-3
Subtract 3 from both sides.
4x=-9
Subtract 3 from -6 to get -9.
x=\frac{-9}{4}
Divide both sides by 4.
x=-\frac{9}{4}
Fraction \frac{-9}{4} can be rewritten as -\frac{9}{4} by extracting the negative sign.
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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.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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