4x+3.9=5.78

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Solution for 4x+3.9=5.78 equation: 


Simplifying
4x + 3.9 = 5.78

Reorder the terms:
3.9 + 4x = 5.78

Solving
3.9 + 4x = 5.78

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 + 4x = 5.78 + -3.9

Combine like terms: 3.9 + -3.9 = 0.0
0.0 + 4x = 5.78 + -3.9
4x = 5.78 + -3.9

Combine like terms: 5.78 + -3.9 = 1.88
4x = 1.88

Divide each side by '4'.
x = 0.47

Simplifying
x = 0.47

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