x+x-6.7=19

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Solution for x+x-6.7=19 equation:


Simplifying
x + x + -6.7 = 19

Reorder the terms:
-6.7 + x + x = 19

Combine like terms: x + x = 2x
-6.7 + 2x = 19

Solving
-6.7 + 2x = 19

Solving for variable 'x'.

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

Add '6.7' to each side of the equation.
-6.7 + 6.7 + 2x = 19 + 6.7

Combine like terms: -6.7 + 6.7 = 0.0
0.0 + 2x = 19 + 6.7
2x = 19 + 6.7

Combine like terms: 19 + 6.7 = 25.7
2x = 25.7

Divide each side by '2'.
x = 12.85

Simplifying
x = 12.85

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