20+2a=6(a-2)

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Solution for 20+2a=6(a-2) equation:


Simplifying
20 + 2a = 6(a + -2)

Reorder the terms:
20 + 2a = 6(-2 + a)
20 + 2a = (-2 * 6 + a * 6)
20 + 2a = (-12 + 6a)

Solving
20 + 2a = -12 + 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.
20 + 2a + -6a = -12 + 6a + -6a

Combine like terms: 2a + -6a = -4a
20 + -4a = -12 + 6a + -6a

Combine like terms: 6a + -6a = 0
20 + -4a = -12 + 0
20 + -4a = -12

Add '-20' to each side of the equation.
20 + -20 + -4a = -12 + -20

Combine like terms: 20 + -20 = 0
0 + -4a = -12 + -20
-4a = -12 + -20

Combine like terms: -12 + -20 = -32
-4a = -32

Divide each side by '-4'.
a = 8

Simplifying
a = 8

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