0.3x-0.5x-2=-21

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Solution for 0.3x-0.5x-2=-21 equation:


Simplifying
0.3x + -0.5x + -2 = -21

Reorder the terms:
-2 + 0.3x + -0.5x = -21

Combine like terms: 0.3x + -0.5x = -0.2x
-2 + -0.2x = -21

Solving
-2 + -0.2x = -21

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + -0.2x = -21 + 2

Combine like terms: -2 + 2 = 0
0 + -0.2x = -21 + 2
-0.2x = -21 + 2

Combine like terms: -21 + 2 = -19
-0.2x = -19

Divide each side by '-0.2'.
x = 95

Simplifying
x = 95

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