0=0.75*(-2)+0.25*(6*X-2*(1-X)-2)

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Solution for 0=0.75*(-2)+0.25*(6*X-2*(1-X)-2) equation:


Simplifying
0 = 0.75(-2) + 0.25(6X + -2(1 + -1X) + -2)

Multiply 0.75 * -2
0 = -1.5 + 0.25(6X + -2(1 + -1X) + -2)
0 = -1.5 + 0.25(6X + (1 * -2 + -1X * -2) + -2)
0 = -1.5 + 0.25(6X + (-2 + 2X) + -2)

Reorder the terms:
0 = -1.5 + 0.25(-2 + -2 + 6X + 2X)

Combine like terms: -2 + -2 = -4
0 = -1.5 + 0.25(-4 + 6X + 2X)

Combine like terms: 6X + 2X = 8X
0 = -1.5 + 0.25(-4 + 8X)
0 = -1.5 + (-4 * 0.25 + 8X * 0.25)
0 = -1.5 + (-1 + 2X)

Combine like terms: -1.5 + -1 = -2.5
0 = -2.5 + 2X

Solving
0 = -2.5 + 2X

Solving for variable 'X'.

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

Add '-2X' to each side of the equation.
0 + -2X = -2.5 + 2X + -2X
Remove the zero:
-2X = -2.5 + 2X + -2X

Combine like terms: 2X + -2X = 0
-2X = -2.5 + 0
-2X = -2.5

Divide each side by '-2'.
X = 1.25

Simplifying
X = 1.25

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