z+16=21

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Solution for z+16=21 equation: 


Simplifying
z + 16 = 21

Reorder the terms:
16 + z = 21

Solving
16 + z = 21

Solving for variable 'z'.

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

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

Combine like terms: 16 + -16 = 0
0 + z = 21 + -16
z = 21 + -16

Combine like terms: 21 + -16 = 5
z = 5

Simplifying
z = 5

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