(a+3)=x

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Solution for (a+3)=x equation: 


Simplifying
(a + 3) = x

Reorder the terms:
(3 + a) = x

Remove parenthesis around (3 + a)
3 + a = x

Solving
3 + a = x

Solving for variable 'a'.

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

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

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

Simplifying
a = -3 + x

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