0.9-0.5x+0.1x=-3

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Solution for 0.9-0.5x+0.1x=-3 equation: 


Simplifying
0.9 + -0.5x + 0.1x = -3

Combine like terms: -0.5x + 0.1x = -0.4x
0.9 + -0.4x = -3

Solving
0.9 + -0.4x = -3

Solving for variable 'x'.

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

Add '-0.9' to each side of the equation.
0.9 + -0.9 + -0.4x = -3 + -0.9

Combine like terms: 0.9 + -0.9 = 0.0
0.0 + -0.4x = -3 + -0.9
-0.4x = -3 + -0.9

Combine like terms: -3 + -0.9 = -3.9
-0.4x = -3.9

Divide each side by '-0.4'.
x = 9.75

Simplifying
x = 9.75

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