9=-4a+a

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Solution for 9=-4a+a equation:


Simplifying
9 = -4a + a

Combine like terms: -4a + a = -3a
9 = -3a

Solving
9 = -3a

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '3a' to each side of the equation.
9 + 3a = -3a + 3a

Combine like terms: -3a + 3a = 0
9 + 3a = 0

Add '-9' to each side of the equation.
9 + -9 + 3a = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 3a = 0 + -9
3a = 0 + -9

Combine like terms: 0 + -9 = -9
3a = -9

Divide each side by '3'.
a = -3

Simplifying
a = -3

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