3=-0.4x+4

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Solution for 3=-0.4x+4 equation:


Simplifying
3 = -0.4x + 4

Reorder the terms:
3 = 4 + -0.4x

Solving
3 = 4 + -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 + 0.4x = 4 + -0.4x + 0.4x

Combine like terms: -0.4x + 0.4x = 0.0
3 + 0.4x = 4 + 0.0
3 + 0.4x = 4

Add '-3' to each side of the equation.
3 + -3 + 0.4x = 4 + -3

Combine like terms: 3 + -3 = 0
0 + 0.4x = 4 + -3
0.4x = 4 + -3

Combine like terms: 4 + -3 = 1
0.4x = 1

Divide each side by '0.4'.
x = 2.5

Simplifying
x = 2.5

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