12+3x=-20

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Solution for 12+3x=-20 equation: 


Simplifying
12 + 3x = -20

Solving
12 + 3x = -20

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 3x = -20 + -12

Combine like terms: 12 + -12 = 0
0 + 3x = -20 + -12
3x = -20 + -12

Combine like terms: -20 + -12 = -32
3x = -32

Divide each side by '3'.
x = -10.66666667

Simplifying
x = -10.66666667

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