138-x*2=138-x

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Solution for 138-x*2=138-x equation:


Simplifying
138 + -1x * 2 = 138 + -1x

Reorder the terms for easier multiplication:
138 + -1 * 2x = 138 + -1x

Multiply -1 * 2
138 + -2x = 138 + -1x

Add '-138' to each side of the equation.
138 + -138 + -2x = 138 + -138 + -1x

Combine like terms: 138 + -138 = 0
0 + -2x = 138 + -138 + -1x
-2x = 138 + -138 + -1x

Combine like terms: 138 + -138 = 0
-2x = 0 + -1x
-2x = -1x

Solving
-2x = -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.
-2x + x = -1x + x

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

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

Divide each side by '-1'.
x = 0

Simplifying
x = 0

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