84=4z

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Solution for 84=4z equation:


Simplifying
84 = 4z

Solving
84 = 4z

Solving for variable 'z'.

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

Add '-4z' to each side of the equation.
84 + -4z = 4z + -4z

Combine like terms: 4z + -4z = 0
84 + -4z = 0

Add '-84' to each side of the equation.
84 + -84 + -4z = 0 + -84

Combine like terms: 84 + -84 = 0
0 + -4z = 0 + -84
-4z = 0 + -84

Combine like terms: 0 + -84 = -84
-4z = -84

Divide each side by '-4'.
z = 21

Simplifying
z = 21

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