0.4x-0.9x-6=19

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Solution for 0.4x-0.9x-6=19 equation:


Simplifying
0.4x + -0.9x + -6 = 19

Reorder the terms:
-6 + 0.4x + -0.9x = 19

Combine like terms: 0.4x + -0.9x = -0.5x
-6 + -0.5x = 19

Solving
-6 + -0.5x = 19

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + -0.5x = 19 + 6

Combine like terms: -6 + 6 = 0
0 + -0.5x = 19 + 6
-0.5x = 19 + 6

Combine like terms: 19 + 6 = 25
-0.5x = 25

Divide each side by '-0.5'.
x = -50

Simplifying
x = -50

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