0.5x+0.4(x-2)=-1

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Solution for 0.5x+0.4(x-2)=-1 equation: 


Simplifying
0.5x + 0.4(x + -2) = -1

Reorder the terms:
0.5x + 0.4(-2 + x) = -1
0.5x + (-2 * 0.4 + x * 0.4) = -1
0.5x + (-0.8 + 0.4x) = -1

Reorder the terms:
-0.8 + 0.5x + 0.4x = -1

Combine like terms: 0.5x + 0.4x = 0.9x
-0.8 + 0.9x = -1

Solving
-0.8 + 0.9x = -1

Solving for variable 'x'.

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

Add '0.8' to each side of the equation.
-0.8 + 0.8 + 0.9x = -1 + 0.8

Combine like terms: -0.8 + 0.8 = 0.0
0.0 + 0.9x = -1 + 0.8
0.9x = -1 + 0.8

Combine like terms: -1 + 0.8 = -0.2
0.9x = -0.2

Divide each side by '0.9'.
x = -0.2222222222

Simplifying
x = -0.2222222222

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