0.12+x=0.4

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Solution for 0.12+x=0.4 equation: 


Simplifying
0.12 + x = 0.4

Solving
0.12 + x = 0.4

Solving for variable 'x'.

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

Add '-0.12' to each side of the equation.
0.12 + -0.12 + x = 0.4 + -0.12

Combine like terms: 0.12 + -0.12 = 0.00
0.00 + x = 0.4 + -0.12
x = 0.4 + -0.12

Combine like terms: 0.4 + -0.12 = 0.28
x = 0.28

Simplifying
x = 0.28

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