3x-15.8=x

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Solution for 3x-15.8=x equation:


Simplifying
3x + -15.8 = x

Reorder the terms:
-15.8 + 3x = x

Solving
-15.8 + 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.
-15.8 + 3x + -1x = x + -1x

Combine like terms: 3x + -1x = 2x
-15.8 + 2x = x + -1x

Combine like terms: x + -1x = 0
-15.8 + 2x = 0

Add '15.8' to each side of the equation.
-15.8 + 15.8 + 2x = 0 + 15.8

Combine like terms: -15.8 + 15.8 = 0.0
0.0 + 2x = 0 + 15.8
2x = 0 + 15.8

Combine like terms: 0 + 15.8 = 15.8
2x = 15.8

Divide each side by '2'.
x = 7.9

Simplifying
x = 7.9

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