-3x-21=16

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Solution for -3x-21=16 equation: 


Simplifying
-3x + -21 = 16

Reorder the terms:
-21 + -3x = 16

Solving
-21 + -3x = 16

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + -3x = 16 + 21

Combine like terms: -21 + 21 = 0
0 + -3x = 16 + 21
-3x = 16 + 21

Combine like terms: 16 + 21 = 37
-3x = 37

Divide each side by '-3'.
x = -12.33333333

Simplifying
x = -12.33333333

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