-4(0.2x+0.4)-1.9=-0.3

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Solution for -4(0.2x+0.4)-1.9=-0.3 equation:


Simplifying
-4(0.2x + 0.4) + -1.9 = -0.3

Reorder the terms:
-4(0.4 + 0.2x) + -1.9 = -0.3
(0.4 * -4 + 0.2x * -4) + -1.9 = -0.3
(-1.6 + -0.8x) + -1.9 = -0.3

Reorder the terms:
-1.6 + -1.9 + -0.8x = -0.3

Combine like terms: -1.6 + -1.9 = -3.5
-3.5 + -0.8x = -0.3

Solving
-3.5 + -0.8x = -0.3

Solving for variable 'x'.

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

Add '3.5' to each side of the equation.
-3.5 + 3.5 + -0.8x = -0.3 + 3.5

Combine like terms: -3.5 + 3.5 = 0.0
0.0 + -0.8x = -0.3 + 3.5
-0.8x = -0.3 + 3.5

Combine like terms: -0.3 + 3.5 = 3.2
-0.8x = 3.2

Divide each side by '-0.8'.
x = -4

Simplifying
x = -4

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