x+12=25-4

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Solution for x+12=25-4 equation: 


Simplifying
x + 12 = 25 + -4

Reorder the terms:
12 + x = 25 + -4

Combine like terms: 25 + -4 = 21
12 + x = 21

Solving
12 + x = 21

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + x = 21 + -12

Combine like terms: 12 + -12 = 0
0 + x = 21 + -12
x = 21 + -12

Combine like terms: 21 + -12 = 9
x = 9

Simplifying
x = 9

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