[X-7]+4=16

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Solution for [X-7]+4=16 equation: 


Simplifying
[X + -7] + 4 = 16

Reorder the terms:
[-7 + X] + 4 = 16

Remove brackets around [-7 + X]
-7 + X + 4 = 16

Reorder the terms:
-7 + 4 + X = 16

Combine like terms: -7 + 4 = -3
-3 + X = 16

Solving
-3 + X = 16

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 + X = 16 + 3

Combine like terms: -3 + 3 = 0
0 + X = 16 + 3
X = 16 + 3

Combine like terms: 16 + 3 = 19
X = 19

Simplifying
X = 19

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