Solve for R
R=-2
Assign R
R≔-2
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R=1-\left(2-8\right)-9
Add -4 and 5 to get 1.
R=1-\left(-6\right)-9
Subtract 8 from 2 to get -6.
R=1+6-9
The opposite of -6 is 6.
R=7-9
Add 1 and 6 to get 7.
R=-2
Subtract 9 from 7 to get -2.
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y = 3x + 4
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Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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