Solve for a
a=\frac{1}{9}\approx 0.111111111
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6a+3a=1
Combine 4a and 2a to get 6a.
9a=1
Combine 6a and 3a to get 9a.
a=\frac{1}{9}
Divide both sides by 9.
Examples
Quadratic equation
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Matrix
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Simultaneous equation
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Limits
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