Solve for a
a=2
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12a-6=a+7+9
Combine 3a and -2a to get a.
12a-6=a+16
Add 7 and 9 to get 16.
12a-6-a=16
Subtract a from both sides.
11a-6=16
Combine 12a and -a to get 11a.
11a=16+6
Add 6 to both sides.
11a=22
Add 16 and 6 to get 22.
a=\frac{22}{11}
Divide both sides by 11.
a=2
Divide 22 by 11 to get 2.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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