40=0.4x

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Solution for 40=0.4x equation:


Simplifying
40 = 0.4x

Solving
40 = 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.
40 + -0.4x = 0.4x + -0.4x

Combine like terms: 0.4x + -0.4x = 0.0
40 + -0.4x = 0.0

Add '-40' to each side of the equation.
40 + -40 + -0.4x = 0.0 + -40

Combine like terms: 40 + -40 = 0
0 + -0.4x = 0.0 + -40
-0.4x = 0.0 + -40

Combine like terms: 0.0 + -40 = -40
-0.4x = -40

Divide each side by '-0.4'.
x = 100

Simplifying
x = 100

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