7Z-12-3Z+4=0

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Solution for 7Z-12-3Z+4=0 equation:


Simplifying
7Z + -12 + -3Z + 4 = 0

Reorder the terms:
-12 + 4 + 7Z + -3Z = 0

Combine like terms: -12 + 4 = -8
-8 + 7Z + -3Z = 0

Combine like terms: 7Z + -3Z = 4Z
-8 + 4Z = 0

Solving
-8 + 4Z = 0

Solving for variable 'Z'.

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

Add '8' to each side of the equation.
-8 + 8 + 4Z = 0 + 8

Combine like terms: -8 + 8 = 0
0 + 4Z = 0 + 8
4Z = 0 + 8

Combine like terms: 0 + 8 = 8
4Z = 8

Divide each side by '4'.
Z = 2

Simplifying
Z = 2

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