3(2z+5)=45

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Solution for 3(2z+5)=45 equation: 


Simplifying
3(2z + 5) = 45

Reorder the terms:
3(5 + 2z) = 45
(5 * 3 + 2z * 3) = 45
(15 + 6z) = 45

Solving
15 + 6z = 45

Solving for variable 'z'.

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

Add '-15' to each side of the equation.
15 + -15 + 6z = 45 + -15

Combine like terms: 15 + -15 = 0
0 + 6z = 45 + -15
6z = 45 + -15

Combine like terms: 45 + -15 = 30
6z = 30

Divide each side by '6'.
z = 5

Simplifying
z = 5

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