[a-43]=3

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Solution for [a-43]=3 equation: 


Simplifying
[a + -43] = 3

Reorder the terms:
[-43 + a] = 3

Remove brackets around [-43 + a]
-43 + a = 3

Solving
-43 + a = 3

Solving for variable 'a'.

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

Add '43' to each side of the equation.
-43 + 43 + a = 3 + 43

Combine like terms: -43 + 43 = 0
0 + a = 3 + 43
a = 3 + 43

Combine like terms: 3 + 43 = 46
a = 46

Simplifying
a = 46

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