-66-9a=2(19-3a)

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Solution for -66-9a=2(19-3a) equation:


Simplifying
-66 + -9a = 2(19 + -3a)
-66 + -9a = (19 * 2 + -3a * 2)
-66 + -9a = (38 + -6a)

Solving
-66 + -9a = 38 + -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 = 38 + -6a + 6a

Combine like terms: -9a + 6a = -3a
-66 + -3a = 38 + -6a + 6a

Combine like terms: -6a + 6a = 0
-66 + -3a = 38 + 0
-66 + -3a = 38

Add '66' to each side of the equation.
-66 + 66 + -3a = 38 + 66

Combine like terms: -66 + 66 = 0
0 + -3a = 38 + 66
-3a = 38 + 66

Combine like terms: 38 + 66 = 104
-3a = 104

Divide each side by '-3'.
a = -34.66666667

Simplifying
a = -34.66666667

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