Solve for x
x = -\frac{35}{4} = -8\frac{3}{4} = -8.75
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4x+5=-30
Multiply 5 and -6 to get -30.
4x=-30-5
Subtract 5 from both sides.
4x=-35
Subtract 5 from -30 to get -35.
x=\frac{-35}{4}
Divide both sides by 4.
x=-\frac{35}{4}
Fraction \frac{-35}{4} can be rewritten as -\frac{35}{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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