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 = 5
3x = 5

Divide each side by '3'.
x = 1.666666667

Simplifying
x = 1.666666667

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