Solve for a
a=3
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5a-2=a+10
Combine 3a and 2a to get 5a.
5a-2-a=10
Subtract a from both sides.
4a-2=10
Combine 5a and -a to get 4a.
4a=10+2
Add 2 to both sides.
4a=12
Add 10 and 2 to get 12.
a=\frac{12}{4}
Divide both sides by 4.
a=3
Divide 12 by 4 to get 3.
Examples
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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 ) }
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Limits
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