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

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


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

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

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

Solving
1 + 0.5x = -0.8 + 0.8x

Solving for variable 'x'.

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

Add '-0.8x' to each side of the equation.
1 + 0.5x + -0.8x = -0.8 + 0.8x + -0.8x

Combine like terms: 0.5x + -0.8x = -0.3x
1 + -0.3x = -0.8 + 0.8x + -0.8x

Combine like terms: 0.8x + -0.8x = 0.0
1 + -0.3x = -0.8 + 0.0
1 + -0.3x = -0.8

Add '-1' to each side of the equation.
1 + -1 + -0.3x = -0.8 + -1

Combine like terms: 1 + -1 = 0
0 + -0.3x = -0.8 + -1
-0.3x = -0.8 + -1

Combine like terms: -0.8 + -1 = -1.8
-0.3x = -1.8

Divide each side by '-0.3'.
x = 6

Simplifying
x = 6

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