5z+3=21-z

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Solution for 5z+3=21-z equation:


Simplifying
5z + 3 = 21 + -1z

Reorder the terms:
3 + 5z = 21 + -1z

Solving
3 + 5z = 21 + -1z

Solving for variable 'z'.

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

Add 'z' to each side of the equation.
3 + 5z + z = 21 + -1z + z

Combine like terms: 5z + z = 6z
3 + 6z = 21 + -1z + z

Combine like terms: -1z + z = 0
3 + 6z = 21 + 0
3 + 6z = 21

Add '-3' to each side of the equation.
3 + -3 + 6z = 21 + -3

Combine like terms: 3 + -3 = 0
0 + 6z = 21 + -3
6z = 21 + -3

Combine like terms: 21 + -3 = 18
6z = 18

Divide each side by '6'.
z = 3

Simplifying
z = 3

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