3-z=4a+12

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Solution for 3-z=4a+12 equation: 


Simplifying
3 + -1z = 4a + 12

Reorder the terms:
3 + -1z = 12 + 4a

Solving
3 + -1z = 12 + 4a

Solving for variable 'z'.

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

Add '-3' to each side of the equation.
3 + -3 + -1z = 12 + -3 + 4a

Combine like terms: 3 + -3 = 0
0 + -1z = 12 + -3 + 4a
-1z = 12 + -3 + 4a

Combine like terms: 12 + -3 = 9
-1z = 9 + 4a

Divide each side by '-1'.
z = -9 + -4a

Simplifying
z = -9 + -4a

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