27-x=31

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Solution for 27-x=31 equation: 


Simplifying
27 + -1x = 31

Solving
27 + -1x = 31

Solving for variable 'x'.

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

Add '-27' to each side of the equation.
27 + -27 + -1x = 31 + -27

Combine like terms: 27 + -27 = 0
0 + -1x = 31 + -27
-1x = 31 + -27

Combine like terms: 31 + -27 = 4
-1x = 4

Divide each side by '-1'.
x = -4

Simplifying
x = -4

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