Solve for a
a=1
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4a+6-a=9
Subtract a from both sides.
3a+6=9
Combine 4a and -a to get 3a.
3a=9-6
Subtract 6 from both sides.
3a=3
Subtract 6 from 9 to get 3.
a=\frac{3}{3}
Divide both sides by 3.
a=1
Divide 3 by 3 to get 1.
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Limits
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