.25(x-.8)-.2(5x+.5)=3

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Solution for .25(x-.8)-.2(5x+.5)=3 equation:


Simplifying
0.25(x + -0.8) + -0.2(5x + 0.5) = 3

Reorder the terms:
0.25(-0.8 + x) + -0.2(5x + 0.5) = 3
(-0.8 * 0.25 + x * 0.25) + -0.2(5x + 0.5) = 3
(-0.2 + 0.25x) + -0.2(5x + 0.5) = 3

Reorder the terms:
-0.2 + 0.25x + -0.2(0.5 + 5x) = 3
-0.2 + 0.25x + (0.5 * -0.2 + 5x * -0.2) = 3
-0.2 + 0.25x + (-0.1 + -1x) = 3

Reorder the terms:
-0.2 + -0.1 + 0.25x + -1x = 3

Combine like terms: -0.2 + -0.1 = -0.3
-0.3 + 0.25x + -1x = 3

Combine like terms: 0.25x + -1x = -0.75x
-0.3 + -0.75x = 3

Solving
-0.3 + -0.75x = 3

Solving for variable 'x'.

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

Add '0.3' to each side of the equation.
-0.3 + 0.3 + -0.75x = 3 + 0.3

Combine like terms: -0.3 + 0.3 = 0.0
0.0 + -0.75x = 3 + 0.3
-0.75x = 3 + 0.3

Combine like terms: 3 + 0.3 = 3.3
-0.75x = 3.3

Divide each side by '-0.75'.
x = -4.4

Simplifying
x = -4.4

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