140=-3x-6(-x-20)

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Solution for 140=-3x-6(-x-20) equation:


Simplifying
140 = -3x + -6(-1x + -20)

Reorder the terms:
140 = -3x + -6(-20 + -1x)
140 = -3x + (-20 * -6 + -1x * -6)
140 = -3x + (120 + 6x)

Reorder the terms:
140 = 120 + -3x + 6x

Combine like terms: -3x + 6x = 3x
140 = 120 + 3x

Solving
140 = 120 + 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.
140 + -3x = 120 + 3x + -3x

Combine like terms: 3x + -3x = 0
140 + -3x = 120 + 0
140 + -3x = 120

Add '-140' to each side of the equation.
140 + -140 + -3x = 120 + -140

Combine like terms: 140 + -140 = 0
0 + -3x = 120 + -140
-3x = 120 + -140

Combine like terms: 120 + -140 = -20
-3x = -20

Divide each side by '-3'.
x = 6.666666667

Simplifying
x = 6.666666667

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