.9x-6.8=.4

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Solution for .9x-6.8=.4 equation: 


Simplifying
0.9x + -6.8 = 0.4

Reorder the terms:
-6.8 + 0.9x = 0.4

Solving
-6.8 + 0.9x = 0.4

Solving for variable 'x'.

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

Add '6.8' to each side of the equation.
-6.8 + 6.8 + 0.9x = 0.4 + 6.8

Combine like terms: -6.8 + 6.8 = 0.0
0.0 + 0.9x = 0.4 + 6.8
0.9x = 0.4 + 6.8

Combine like terms: 0.4 + 6.8 = 7.2
0.9x = 7.2

Divide each side by '0.9'.
x = 8

Simplifying
x = 8

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