66-9a=2(1997-3a)

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Solution for 66-9a=2(1997-3a) equation:


Simplifying
66 + -9a = 2(1997 + -3a)
66 + -9a = (1997 * 2 + -3a * 2)
66 + -9a = (3994 + -6a)

Solving
66 + -9a = 3994 + -6a

Solving for variable 'a'.

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

Add '6a' to each side of the equation.
66 + -9a + 6a = 3994 + -6a + 6a

Combine like terms: -9a + 6a = -3a
66 + -3a = 3994 + -6a + 6a

Combine like terms: -6a + 6a = 0
66 + -3a = 3994 + 0
66 + -3a = 3994

Add '-66' to each side of the equation.
66 + -66 + -3a = 3994 + -66

Combine like terms: 66 + -66 = 0
0 + -3a = 3994 + -66
-3a = 3994 + -66

Combine like terms: 3994 + -66 = 3928
-3a = 3928

Divide each side by '-3'.
a = -1309.333333

Simplifying
a = -1309.333333

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