.3x+.4=1.3

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Solution for .3x+.4=1.3 equation: 


Simplifying
0.3x + 0.4 = 1.3

Reorder the terms:
0.4 + 0.3x = 1.3

Solving
0.4 + 0.3x = 1.3

Solving for variable 'x'.

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

Add '-0.4' to each side of the equation.
0.4 + -0.4 + 0.3x = 1.3 + -0.4

Combine like terms: 0.4 + -0.4 = 0.0
0.0 + 0.3x = 1.3 + -0.4
0.3x = 1.3 + -0.4

Combine like terms: 1.3 + -0.4 = 0.9
0.3x = 0.9

Divide each side by '0.3'.
x = 3

Simplifying
x = 3

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