165=(x-1)-(3x)

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Solution for 165=(x-1)-(3x) equation:


Simplifying
165 = (x + -1) + -1(3x)

Reorder the terms:
165 = (-1 + x) + -1(3x)

Remove parenthesis around (-1 + x)
165 = -1 + x + -1(3x)

Remove parenthesis around (3x)
165 = -1 + x + -1 * 3x

Multiply -1 * 3
165 = -1 + x + -3x

Combine like terms: x + -3x = -2x
165 = -1 + -2x

Solving
165 = -1 + -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.
165 + 2x = -1 + -2x + 2x

Combine like terms: -2x + 2x = 0
165 + 2x = -1 + 0
165 + 2x = -1

Add '-165' to each side of the equation.
165 + -165 + 2x = -1 + -165

Combine like terms: 165 + -165 = 0
0 + 2x = -1 + -165
2x = -1 + -165

Combine like terms: -1 + -165 = -166
2x = -166

Divide each side by '2'.
x = -83

Simplifying
x = -83

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