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

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


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

Combine like terms: 9 + -3 = 6
6 + -2a + -1 * -2(6) = -1(3a + -2)

Multiply -1 * -2
6 + -2a + 2 * 6 = -1(3a + -2)

Multiply 2 * 6
6 + -2a + 12 = -1(3a + -2)

Reorder the terms:
6 + 12 + -2a = -1(3a + -2)

Combine like terms: 6 + 12 = 18
18 + -2a = -1(3a + -2)

Reorder the terms:
18 + -2a = -1(-2 + 3a)
18 + -2a = (-2 * -1 + 3a * -1)
18 + -2a = (2 + -3a)

Solving
18 + -2a = 2 + -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.
18 + -2a + 3a = 2 + -3a + 3a

Combine like terms: -2a + 3a = 1a
18 + 1a = 2 + -3a + 3a

Combine like terms: -3a + 3a = 0
18 + 1a = 2 + 0
18 + 1a = 2

Add '-18' to each side of the equation.
18 + -18 + 1a = 2 + -18

Combine like terms: 18 + -18 = 0
0 + 1a = 2 + -18
1a = 2 + -18

Combine like terms: 2 + -18 = -16
1a = -16

Divide each side by '1'.
a = -16

Simplifying
a = -16

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