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y=6
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y≔6
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y=|-4|+2
Subtract 6 from 2 to get -4.
y=4+2
The absolute value of a real number a is a when a\geq 0, or -a when a<0. The absolute value of -4 is 4.
y=6
Add 4 and 2 to get 6.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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