.4x-.3=.8

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Solution for .4x-.3=.8 equation: 


Simplifying
0.4x + -0.3 = 0.8

Reorder the terms:
-0.3 + 0.4x = 0.8

Solving
-0.3 + 0.4x = 0.8

Solving for variable 'x'.

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

Add '0.3' to each side of the equation.
-0.3 + 0.3 + 0.4x = 0.8 + 0.3

Combine like terms: -0.3 + 0.3 = 0.0
0.0 + 0.4x = 0.8 + 0.3
0.4x = 0.8 + 0.3

Combine like terms: 0.8 + 0.3 = 1.1
0.4x = 1.1

Divide each side by '0.4'.
x = 2.75

Simplifying
x = 2.75

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