3x+-2=-20

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Solution for 3x+-2=-20 equation: 


Simplifying
3x + -2 = -20

Reorder the terms:
-2 + 3x = -20

Solving
-2 + 3x = -20

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 3x = -20 + 2

Combine like terms: -2 + 2 = 0
0 + 3x = -20 + 2
3x = -20 + 2

Combine like terms: -20 + 2 = -18
3x = -18

Divide each side by '3'.
x = -6

Simplifying
x = -6

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