Solve for a
a=-1
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2a-18=8a-12
Combine -11a and 13a to get 2a.
2a-18-8a=-12
Subtract 8a from both sides.
-6a-18=-12
Combine 2a and -8a to get -6a.
-6a=-12+18
Add 18 to both sides.
-6a=6
Add -12 and 18 to get 6.
a=\frac{6}{-6}
Divide both sides by -6.
a=-1
Divide 6 by -6 to get -1.
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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
\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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