20=-3(3a-2)

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


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

Reorder the terms:
20 = -3(-2 + 3a)
20 = (-2 * -3 + 3a * -3)
20 = (6 + -9a)

Solving
20 = 6 + -9a

Solving for variable 'a'.

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

Add '9a' to each side of the equation.
20 + 9a = 6 + -9a + 9a

Combine like terms: -9a + 9a = 0
20 + 9a = 6 + 0
20 + 9a = 6

Add '-20' to each side of the equation.
20 + -20 + 9a = 6 + -20

Combine like terms: 20 + -20 = 0
0 + 9a = 6 + -20
9a = 6 + -20

Combine like terms: 6 + -20 = -14
9a = -14

Divide each side by '9'.
a = -1.555555556

Simplifying
a = -1.555555556

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