5=21+3z

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Solution for 5=21+3z equation:


Simplifying
5 = 21 + 3z

Solving
5 = 21 + 3z

Solving for variable 'z'.

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

Add '-3z' to each side of the equation.
5 + -3z = 21 + 3z + -3z

Combine like terms: 3z + -3z = 0
5 + -3z = 21 + 0
5 + -3z = 21

Add '-5' to each side of the equation.
5 + -5 + -3z = 21 + -5

Combine like terms: 5 + -5 = 0
0 + -3z = 21 + -5
-3z = 21 + -5

Combine like terms: 21 + -5 = 16
-3z = 16

Divide each side by '-3'.
z = -5.333333333

Simplifying
z = -5.333333333

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