=(15z+7)-3z

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Solution for =(15z+7)-3z equation: 


Simplifying
0 = (15z + 7) + -3z

Reorder the terms:
0 = (7 + 15z) + -3z

Remove parenthesis around (7 + 15z)
0 = 7 + 15z + -3z

Combine like terms: 15z + -3z = 12z
0 = 7 + 12z

Solving
0 = 7 + 12z

Solving for variable 'z'.

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

Add '-12z' to each side of the equation.
0 + -12z = 7 + 12z + -12z
Remove the zero:
-12z = 7 + 12z + -12z

Combine like terms: 12z + -12z = 0
-12z = 7 + 0
-12z = 7

Divide each side by '-12'.
z = -0.5833333333

Simplifying
z = -0.5833333333

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