[4x]+3=12

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Solution for [4x]+3=12 equation: 


Simplifying
[4x] + 3 = 12

Reorder the terms:
3 + [4x] = 12

Solving
3 + [4x] = 12

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + [4x] = 12 + -3

Combine like terms: 3 + -3 = 0
0 + [4x] = 12 + -3
[4x] = 12 + -3

Combine like terms: 12 + -3 = 9
[4x] = 9

Divide each side by '4'.
x = 2.25

Simplifying
x = 2.25

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