.3x-1.7=.4

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Solution for .3x-1.7=.4 equation: 


Simplifying
0.3x + -1.7 = 0.4

Reorder the terms:
-1.7 + 0.3x = 0.4

Solving
-1.7 + 0.3x = 0.4

Solving for variable 'x'.

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

Add '1.7' to each side of the equation.
-1.7 + 1.7 + 0.3x = 0.4 + 1.7

Combine like terms: -1.7 + 1.7 = 0.0
0.0 + 0.3x = 0.4 + 1.7
0.3x = 0.4 + 1.7

Combine like terms: 0.4 + 1.7 = 2.1
0.3x = 2.1

Divide each side by '0.3'.
x = 7

Simplifying
x = 7

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