[3x]+8=23

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Solution for [3x]+8=23 equation: 


Simplifying
[3x] + 8 = 23

Reorder the terms:
8 + [3x] = 23

Solving
8 + [3x] = 23

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + [3x] = 23 + -8

Combine like terms: 8 + -8 = 0
0 + [3x] = 23 + -8
[3x] = 23 + -8

Combine like terms: 23 + -8 = 15
[3x] = 15

Divide each side by '3'.
x = 5

Simplifying
x = 5

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