.7x-3.9=.3

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Solution for .7x-3.9=.3 equation: 


Simplifying
0.7x + -3.9 = 0.3

Reorder the terms:
-3.9 + 0.7x = 0.3

Solving
-3.9 + 0.7x = 0.3

Solving for variable 'x'.

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

Add '3.9' to each side of the equation.
-3.9 + 3.9 + 0.7x = 0.3 + 3.9

Combine like terms: -3.9 + 3.9 = 0.0
0.0 + 0.7x = 0.3 + 3.9
0.7x = 0.3 + 3.9

Combine like terms: 0.3 + 3.9 = 4.2
0.7x = 4.2

Divide each side by '0.7'.
x = 6

Simplifying
x = 6

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