20=-(3a-2)

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Solution for 20=-(3a-2) equation:


Simplifying
20 = -1(3a + -2)

Reorder the terms:
20 = -1(-2 + 3a)
20 = (-2 * -1 + 3a * -1)
20 = (2 + -3a)

Solving
20 = 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.
20 + 3a = 2 + -3a + 3a

Combine like terms: -3a + 3a = 0
20 + 3a = 2 + 0
20 + 3a = 2

Add '-20' to each side of the equation.
20 + -20 + 3a = 2 + -20

Combine like terms: 20 + -20 = 0
0 + 3a = 2 + -20
3a = 2 + -20

Combine like terms: 2 + -20 = -18
3a = -18

Divide each side by '3'.
a = -6

Simplifying
a = -6

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