30=0.4x

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Solution for 30=0.4x equation:


Simplifying
30 = 0.4x

Solving
30 = 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.
30 + -0.4x = 0.4x + -0.4x

Combine like terms: 0.4x + -0.4x = 0.0
30 + -0.4x = 0.0

Add '-30' to each side of the equation.
30 + -30 + -0.4x = 0.0 + -30

Combine like terms: 30 + -30 = 0
0 + -0.4x = 0.0 + -30
-0.4x = 0.0 + -30

Combine like terms: 0.0 + -30 = -30
-0.4x = -30

Divide each side by '-0.4'.
x = 75

Simplifying
x = 75

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