12=3+3z

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Solution for 12=3+3z equation:


Simplifying
12 = 3 + 3z

Solving
12 = 3 + 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.
12 + -3z = 3 + 3z + -3z

Combine like terms: 3z + -3z = 0
12 + -3z = 3 + 0
12 + -3z = 3

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

Combine like terms: 12 + -12 = 0
0 + -3z = 3 + -12
-3z = 3 + -12

Combine like terms: 3 + -12 = -9
-3z = -9

Divide each side by '-3'.
z = 3

Simplifying
z = 3

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