x+8-3=12

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Solution for x+8-3=12 equation: 


Simplifying
x + 8 + -3 = 12

Reorder the terms:
8 + -3 + x = 12

Combine like terms: 8 + -3 = 5
5 + x = 12

Solving
5 + x = 12

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + x = 12 + -5

Combine like terms: 5 + -5 = 0
0 + x = 12 + -5
x = 12 + -5

Combine like terms: 12 + -5 = 7
x = 7

Simplifying
x = 7

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