[x+4]=7.5

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Solution for [x+4]=7.5 equation: 


Simplifying
[x + 4] = 7.5

Reorder the terms:
[4 + x] = 7.5

Remove brackets around [4 + x]
4 + x = 7.5

Solving
4 + x = 7.5

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + x = 7.5 + -4

Combine like terms: 4 + -4 = 0
0 + x = 7.5 + -4
x = 7.5 + -4

Combine like terms: 7.5 + -4 = 3.5
x = 3.5

Simplifying
x = 3.5

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