3+x=0.4x

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Solution for 3+x=0.4x equation:


Simplifying
3 + x = 0.4x

Solving
3 + x = 0.4x

Solving for variable 'x'.

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

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

Combine like terms: x + -0.4x = 0.6x
3 + 0.6x = 0.4x + -0.4x

Combine like terms: 0.4x + -0.4x = 0.0
3 + 0.6x = 0.0

Add '-3' to each side of the equation.
3 + -3 + 0.6x = 0.0 + -3

Combine like terms: 3 + -3 = 0
0 + 0.6x = 0.0 + -3
0.6x = 0.0 + -3

Combine like terms: 0.0 + -3 = -3
0.6x = -3

Divide each side by '0.6'.
x = -5

Simplifying
x = -5

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