x+6-.4x=9

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Solution for x+6-.4x=9 equation:


Simplifying
x + 6 + -0.4x = 9

Reorder the terms:
6 + x + -0.4x = 9

Combine like terms: x + -0.4x = 0.6x
6 + 0.6x = 9

Solving
6 + 0.6x = 9

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 0.6x = 9 + -6

Combine like terms: 6 + -6 = 0
0 + 0.6x = 9 + -6
0.6x = 9 + -6

Combine like terms: 9 + -6 = 3
0.6x = 3

Divide each side by '0.6'.
x = 5

Simplifying
x = 5

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