Solve for y
y=4
Assign y
y≔4
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y=\frac{-\left(-4\right)}{2}+2
Express -\frac{1}{2}\left(-4\right) as a single fraction.
y=\frac{4}{2}+2
Multiply -1 and -4 to get 4.
y=2+2
Divide 4 by 2 to get 2.
y=4
Add 2 and 2 to get 4.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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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