55=-7x-2(-x-5)

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Solution for 55=-7x-2(-x-5) equation:


Simplifying
55 = -7x + -2(-1x + -5)

Reorder the terms:
55 = -7x + -2(-5 + -1x)
55 = -7x + (-5 * -2 + -1x * -2)
55 = -7x + (10 + 2x)

Reorder the terms:
55 = 10 + -7x + 2x

Combine like terms: -7x + 2x = -5x
55 = 10 + -5x

Solving
55 = 10 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
55 + 5x = 10 + -5x + 5x

Combine like terms: -5x + 5x = 0
55 + 5x = 10 + 0
55 + 5x = 10

Add '-55' to each side of the equation.
55 + -55 + 5x = 10 + -55

Combine like terms: 55 + -55 = 0
0 + 5x = 10 + -55
5x = 10 + -55

Combine like terms: 10 + -55 = -45
5x = -45

Divide each side by '5'.
x = -9

Simplifying
x = -9

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