6z+5=2z+21

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Solution for 6z+5=2z+21 equation:


Simplifying
6z + 5 = 2z + 21

Reorder the terms:
5 + 6z = 2z + 21

Reorder the terms:
5 + 6z = 21 + 2z

Solving
5 + 6z = 21 + 2z

Solving for variable 'z'.

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

Add '-2z' to each side of the equation.
5 + 6z + -2z = 21 + 2z + -2z

Combine like terms: 6z + -2z = 4z
5 + 4z = 21 + 2z + -2z

Combine like terms: 2z + -2z = 0
5 + 4z = 21 + 0
5 + 4z = 21

Add '-5' to each side of the equation.
5 + -5 + 4z = 21 + -5

Combine like terms: 5 + -5 = 0
0 + 4z = 21 + -5
4z = 21 + -5

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

Divide each side by '4'.
z = 4

Simplifying
z = 4

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