(Z+12)+(4z-12)=90

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Solution for (Z+12)+(4z-12)=90 equation:


Simplifying
(Z + 12) + (4z + -12) = 90

Reorder the terms:
(12 + Z) + (4z + -12) = 90

Remove parenthesis around (12 + Z)
12 + Z + (4z + -12) = 90

Reorder the terms:
12 + Z + (-12 + 4z) = 90

Remove parenthesis around (-12 + 4z)
12 + Z + -12 + 4z = 90

Reorder the terms:
12 + -12 + Z + 4z = 90

Combine like terms: 12 + -12 = 0
0 + Z + 4z = 90
Z + 4z = 90

Solving
Z + 4z = 90

Solving for variable 'Z'.

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

Add '-4z' to each side of the equation.
Z + 4z + -4z = 90 + -4z

Combine like terms: 4z + -4z = 0
Z + 0 = 90 + -4z
Z = 90 + -4z

Simplifying
Z = 90 + -4z

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