4z+16=21

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Solution for 4z+16=21 equation: 


Simplifying
4z + 16 = 21

Reorder the terms:
16 + 4z = 21

Solving
16 + 4z = 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 + 4z = 21 + -16

Combine like terms: 16 + -16 = 0
0 + 4z = 21 + -16
4z = 21 + -16

Combine like terms: 21 + -16 = 5
4z = 5

Divide each side by '4'.
z = 1.25

Simplifying
z = 1.25

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