x+4=0.9

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Solution for x+4=0.9 equation: 


Simplifying
x + 4 = 0.9

Reorder the terms:
4 + x = 0.9

Solving
4 + x = 0.9

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + x = 0.9 + -4

Combine like terms: 4 + -4 = 0
0 + x = 0.9 + -4
x = 0.9 + -4

Combine like terms: 0.9 + -4 = -3.1
x = -3.1

Simplifying
x = -3.1

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