3(6+z)=30

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Solution for 3(6+z)=30 equation: 


Simplifying
3(6 + z) = 30
(6 * 3 + z * 3) = 30
(18 + 3z) = 30

Solving
18 + 3z = 30

Solving for variable 'z'.

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

Add '-18' to each side of the equation.
18 + -18 + 3z = 30 + -18

Combine like terms: 18 + -18 = 0
0 + 3z = 30 + -18
3z = 30 + -18

Combine like terms: 30 + -18 = 12
3z = 12

Divide each side by '3'.
z = 4

Simplifying
z = 4

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