x+12=13-x

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Solution for x+12=13-x equation:


Simplifying
x + 12 = 13 + -1x

Reorder the terms:
12 + x = 13 + -1x

Solving
12 + x = 13 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
12 + x + x = 13 + -1x + x

Combine like terms: x + x = 2x
12 + 2x = 13 + -1x + x

Combine like terms: -1x + x = 0
12 + 2x = 13 + 0
12 + 2x = 13

Add '-12' to each side of the equation.
12 + -12 + 2x = 13 + -12

Combine like terms: 12 + -12 = 0
0 + 2x = 13 + -12
2x = 13 + -12

Combine like terms: 13 + -12 = 1
2x = 1

Divide each side by '2'.
x = 0.5

Simplifying
x = 0.5

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