0.1x-0.9x-15=1

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Solution for 0.1x-0.9x-15=1 equation: 


Simplifying
0.1x + -0.9x + -15 = 1

Reorder the terms:
-15 + 0.1x + -0.9x = 1

Combine like terms: 0.1x + -0.9x = -0.8x
-15 + -0.8x = 1

Solving
-15 + -0.8x = 1

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + -0.8x = 1 + 15

Combine like terms: -15 + 15 = 0
0 + -0.8x = 1 + 15
-0.8x = 1 + 15

Combine like terms: 1 + 15 = 16
-0.8x = 16

Divide each side by '-0.8'.
x = -20

Simplifying
x = -20

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