Solve for a
a=2
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13a-7a-2+22a=54
Combine 4a and 9a to get 13a.
6a-2+22a=54
Combine 13a and -7a to get 6a.
28a-2=54
Combine 6a and 22a to get 28a.
28a=54+2
Add 2 to both sides.
28a=56
Add 54 and 2 to get 56.
a=\frac{56}{28}
Divide both sides by 28.
a=2
Divide 56 by 28 to get 2.
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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\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]
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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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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