31-x-12=5

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Solution for 31-x-12=5 equation:


Simplifying
31 + -1x + -12 = 5

Reorder the terms:
31 + -12 + -1x = 5

Combine like terms: 31 + -12 = 19
19 + -1x = 5

Solving
19 + -1x = 5

Solving for variable 'x'.

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

Add '-19' to each side of the equation.
19 + -19 + -1x = 5 + -19

Combine like terms: 19 + -19 = 0
0 + -1x = 5 + -19
-1x = 5 + -19

Combine like terms: 5 + -19 = -14
-1x = -14

Divide each side by '-1'.
x = 14

Simplifying
x = 14

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