Solve for a 2a=-a+9

Math
2a=-a+9
Move all terms containing a to the left side of the equation.
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Add a to both sides of the equation.
2a+a=9
Add 2a and a.
3a=9
3a=9
Divide each term by 3 and simplify.
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Divide each term in 3a=9 by 3.
3a3=93
Cancel the common factor of 3.
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Cancel the common factor.
3a3=93
Divide a by 1.
a=93
a=93
Divide 9 by 3.
a=3
a=3
Solve for a 2a=-a+9

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