81=52+x

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Solution for 81=52+x equation:


Simplifying
81 = 52 + x

Solving
81 = 52 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
81 + -1x = 52 + x + -1x

Combine like terms: x + -1x = 0
81 + -1x = 52 + 0
81 + -1x = 52

Add '-81' to each side of the equation.
81 + -81 + -1x = 52 + -81

Combine like terms: 81 + -81 = 0
0 + -1x = 52 + -81
-1x = 52 + -81

Combine like terms: 52 + -81 = -29
-1x = -29

Divide each side by '-1'.
x = 29

Simplifying
x = 29

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