1.3+x=0.4

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Solution for 1.3+x=0.4 equation: 


Simplifying
1.3 + x = 0.4

Solving
1.3 + x = 0.4

Solving for variable 'x'.

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

Add '-1.3' to each side of the equation.
1.3 + -1.3 + x = 0.4 + -1.3

Combine like terms: 1.3 + -1.3 = 0.0
0.0 + x = 0.4 + -1.3
x = 0.4 + -1.3

Combine like terms: 0.4 + -1.3 = -0.9
x = -0.9

Simplifying
x = -0.9

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