[x-4]=20

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Solution for [x-4]=20 equation:


Simplifying
[x + -4] = 20

Reorder the terms:
[-4 + x] = 20

Remove brackets around [-4 + x]
-4 + x = 20

Solving
-4 + x = 20

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 = 20 + 4

Combine like terms: -4 + 4 = 0
0 + x = 20 + 4
x = 20 + 4

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

Simplifying
x = 24

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