x+18-12=13

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Solution for x+18-12=13 equation: 


Simplifying
x + 18 + -12 = 13

Reorder the terms:
18 + -12 + x = 13

Combine like terms: 18 + -12 = 6
6 + x = 13

Solving
6 + x = 13

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + x = 13 + -6

Combine like terms: 6 + -6 = 0
0 + x = 13 + -6
x = 13 + -6

Combine like terms: 13 + -6 = 7
x = 7

Simplifying
x = 7

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