.770=(1-x*2-x)

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Solution for .770=(1-x*2-x) equation:


Simplifying
0.770 = (1 + -1x * 2 + -1x)

Reorder the terms for easier multiplication:
0.770 = (1 + -1 * 2x + -1x)

Multiply -1 * 2
0.770 = (1 + -2x + -1x)

Combine like terms: -2x + -1x = -3x
0.770 = (1 + -3x)

Remove parenthesis around (1 + -3x)
0.770 = 1 + -3x

Solving
0.770 = 1 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
0.770 + 3x = 1 + -3x + 3x

Combine like terms: -3x + 3x = 0
0.770 + 3x = 1 + 0
0.770 + 3x = 1

Add '-0.770' to each side of the equation.
0.770 + -0.770 + 3x = 1 + -0.770

Combine like terms: 0.770 + -0.770 = 0.000
0.000 + 3x = 1 + -0.770
3x = 1 + -0.770

Combine like terms: 1 + -0.770 = 0.23
3x = 0.23

Divide each side by '3'.
x = 0.07666666667

Simplifying
x = 0.07666666667

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