30-2z=4z

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Solution for 30-2z=4z equation:


Simplifying
30 + -2z = 4z

Solving
30 + -2z = 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.
30 + -2z + -4z = 4z + -4z

Combine like terms: -2z + -4z = -6z
30 + -6z = 4z + -4z

Combine like terms: 4z + -4z = 0
30 + -6z = 0

Add '-30' to each side of the equation.
30 + -30 + -6z = 0 + -30

Combine like terms: 30 + -30 = 0
0 + -6z = 0 + -30
-6z = 0 + -30

Combine like terms: 0 + -30 = -30
-6z = -30

Divide each side by '-6'.
z = 5

Simplifying
z = 5

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