206=138-x

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Solution for 206=138-x equation:


Simplifying
206 = 138 + -1x

Solving
206 = 138 + -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.
206 + x = 138 + -1x + x

Combine like terms: -1x + x = 0
206 + x = 138 + 0
206 + x = 138

Add '-206' to each side of the equation.
206 + -206 + x = 138 + -206

Combine like terms: 206 + -206 = 0
0 + x = 138 + -206
x = 138 + -206

Combine like terms: 138 + -206 = -68
x = -68

Simplifying
x = -68

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