20=(-3x)-1

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Solution for 20=(-3x)-1 equation:


Simplifying
20 = (-3x) + -1

Reorder the terms:
20 = -1 + (-3x)

Solving
20 = -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.
20 + (3x) = -1 + (-3x) + (3x)

Combine like terms: (-3x) + (3x) = 0
20 + (3x) = -1 + 0
20 + (3x) = -1

Add '-20' to each side of the equation.
20 + -20 + (3x) = -1 + -20

Combine like terms: 20 + -20 = 0
0 + (3x) = -1 + -20
(3x) = -1 + -20

Combine like terms: -1 + -20 = -21
(3x) = -21

Divide each side by '3'.
x = -7

Simplifying
x = -7

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