20=1+3(x+8)

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Solution for 20=1+3(x+8) equation: 


Simplifying
20 = 1 + 3(x + 8)

Reorder the terms:
20 = 1 + 3(8 + x)
20 = 1 + (8 * 3 + x * 3)
20 = 1 + (24 + 3x)

Combine like terms: 1 + 24 = 25
20 = 25 + 3x

Solving
20 = 25 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
20 + -3x = 25 + 3x + -3x

Combine like terms: 3x + -3x = 0
20 + -3x = 25 + 0
20 + -3x = 25

Add '-20' to each side of the equation.
20 + -20 + -3x = 25 + -20

Combine like terms: 20 + -20 = 0
0 + -3x = 25 + -20
-3x = 25 + -20

Combine like terms: 25 + -20 = 5
-3x = 5

Divide each side by '-3'.
x = -1.666666667

Simplifying
x = -1.666666667

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