165=-5x-5(-5x-5)

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Solution for 165=-5x-5(-5x-5) equation:


Simplifying
165 = -5x + -5(-5x + -5)

Reorder the terms:
165 = -5x + -5(-5 + -5x)
165 = -5x + (-5 * -5 + -5x * -5)
165 = -5x + (25 + 25x)

Reorder the terms:
165 = 25 + -5x + 25x

Combine like terms: -5x + 25x = 20x
165 = 25 + 20x

Solving
165 = 25 + 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
165 + -20x = 25 + 20x + -20x

Combine like terms: 20x + -20x = 0
165 + -20x = 25 + 0
165 + -20x = 25

Add '-165' to each side of the equation.
165 + -165 + -20x = 25 + -165

Combine like terms: 165 + -165 = 0
0 + -20x = 25 + -165
-20x = 25 + -165

Combine like terms: 25 + -165 = -140
-20x = -140

Divide each side by '-20'.
x = 7

Simplifying
x = 7

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