3x-15=x-15

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Solution for 3x-15=x-15 equation:


Simplifying
3x + -15 = x + -15

Reorder the terms:
-15 + 3x = x + -15

Reorder the terms:
-15 + 3x = -15 + x

Add '15' to each side of the equation.
-15 + 15 + 3x = -15 + 15 + x

Combine like terms: -15 + 15 = 0
0 + 3x = -15 + 15 + x
3x = -15 + 15 + x

Combine like terms: -15 + 15 = 0
3x = 0 + x
3x = x

Solving
3x = 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.
3x + -1x = x + -1x

Combine like terms: 3x + -1x = 2x
2x = x + -1x

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

Divide each side by '2'.
x = 0

Simplifying
x = 0

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