20=6+2(x+9)

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Solution for 20=6+2(x+9) equation: 


Simplifying
20 = 6 + 2(x + 9)

Reorder the terms:
20 = 6 + 2(9 + x)
20 = 6 + (9 * 2 + x * 2)
20 = 6 + (18 + 2x)

Combine like terms: 6 + 18 = 24
20 = 24 + 2x

Solving
20 = 24 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
20 + -2x = 24 + 2x + -2x

Combine like terms: 2x + -2x = 0
20 + -2x = 24 + 0
20 + -2x = 24

Add '-20' to each side of the equation.
20 + -20 + -2x = 24 + -20

Combine like terms: 20 + -20 = 0
0 + -2x = 24 + -20
-2x = 24 + -20

Combine like terms: 24 + -20 = 4
-2x = 4

Divide each side by '-2'.
x = -2

Simplifying
x = -2

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