7z+12=3z

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Solution for 7z+12=3z equation:


Simplifying
7z + 12 = 3z

Reorder the terms:
12 + 7z = 3z

Solving
12 + 7z = 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 + 7z + -3z = 3z + -3z

Combine like terms: 7z + -3z = 4z
12 + 4z = 3z + -3z

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

Add '-12' to each side of the equation.
12 + -12 + 4z = 0 + -12

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

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

Divide each side by '4'.
z = -3

Simplifying
z = -3

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