.4x+.3=3.1

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Solution for .4x+.3=3.1 equation: 


Simplifying
0.4x + 0.3 = 3.1

Reorder the terms:
0.3 + 0.4x = 3.1

Solving
0.3 + 0.4x = 3.1

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 = 3.1 + -0.3

Combine like terms: 0.3 + -0.3 = 0.0
0.0 + 0.4x = 3.1 + -0.3
0.4x = 3.1 + -0.3

Combine like terms: 3.1 + -0.3 = 2.8
0.4x = 2.8

Divide each side by '0.4'.
x = 7

Simplifying
x = 7

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