12z=45-3z

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Solution for 12z=45-3z equation: 


Simplifying
12z = 45 + -3z

Solving
12z = 45 + -3z

Solving for variable 'z'.

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

Add '3z' to each side of the equation.
12z + 3z = 45 + -3z + 3z

Combine like terms: 12z + 3z = 15z
15z = 45 + -3z + 3z

Combine like terms: -3z + 3z = 0
15z = 45 + 0
15z = 45

Divide each side by '15'.
z = 3

Simplifying
z = 3

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