3x-16=21

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Solution for 3x-16=21 equation: 


Simplifying
3x + -16 = 21

Reorder the terms:
-16 + 3x = 21

Solving
-16 + 3x = 21

Solving for variable 'x'.

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

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

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

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

Divide each side by '3'.
x = 12.33333333

Simplifying
x = 12.33333333

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