Solve for x
x=-4
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\frac{1}{2}x=3-5
Subtract 5 from both sides.
\frac{1}{2}x=-2
Subtract 5 from 3 to get -2.
x=-2\times 2
Multiply both sides by 2, the reciprocal of \frac{1}{2}.
x=-4
Multiply -2 and 2 to get -4.
Examples
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y = 3x + 4
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Matrix
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\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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