9=-3(2-a)

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Solution for 9=-3(2-a) equation:


Simplifying
9 = -3(2 + -1a)
9 = (2 * -3 + -1a * -3)
9 = (-6 + 3a)

Solving
9 = -6 + 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 = -6 + 3a + -3a

Combine like terms: 3a + -3a = 0
9 + -3a = -6 + 0
9 + -3a = -6

Add '-9' to each side of the equation.
9 + -9 + -3a = -6 + -9

Combine like terms: 9 + -9 = 0
0 + -3a = -6 + -9
-3a = -6 + -9

Combine like terms: -6 + -9 = -15
-3a = -15

Divide each side by '-3'.
a = 5

Simplifying
a = 5

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