0.4x+3.9=5.7

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Solution for 0.4x+3.9=5.7 equation: 


Simplifying
0.4x + 3.9 = 5.7

Reorder the terms:
3.9 + 0.4x = 5.7

Solving
3.9 + 0.4x = 5.7

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 + 0.4x = 5.7 + -3.9

Combine like terms: 3.9 + -3.9 = 0.0
0.0 + 0.4x = 5.7 + -3.9
0.4x = 5.7 + -3.9

Combine like terms: 5.7 + -3.9 = 1.8
0.4x = 1.8

Divide each side by '0.4'.
x = 4.5

Simplifying
x = 4.5

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