20=4(3a-2)

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Solution for 20=4(3a-2) equation:


Simplifying
20 = 4(3a + -2)

Reorder the terms:
20 = 4(-2 + 3a)
20 = (-2 * 4 + 3a * 4)
20 = (-8 + 12a)

Solving
20 = -8 + 12a

Solving for variable 'a'.

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

Add '-12a' to each side of the equation.
20 + -12a = -8 + 12a + -12a

Combine like terms: 12a + -12a = 0
20 + -12a = -8 + 0
20 + -12a = -8

Add '-20' to each side of the equation.
20 + -20 + -12a = -8 + -20

Combine like terms: 20 + -20 = 0
0 + -12a = -8 + -20
-12a = -8 + -20

Combine like terms: -8 + -20 = -28
-12a = -28

Divide each side by '-12'.
a = 2.333333333

Simplifying
a = 2.333333333

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