11x+12=-21

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Solution for 11x+12=-21 equation: 


Simplifying
11x + 12 = -21

Reorder the terms:
12 + 11x = -21

Solving
12 + 11x = -21

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 + 11x = -21 + -12

Combine like terms: 12 + -12 = 0
0 + 11x = -21 + -12
11x = -21 + -12

Combine like terms: -21 + -12 = -33
11x = -33

Divide each side by '11'.
x = -3

Simplifying
x = -3

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