7z-6z+12=15

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Solution for 7z-6z+12=15 equation:


Simplifying
7z + -6z + 12 = 15

Reorder the terms:
12 + 7z + -6z = 15

Combine like terms: 7z + -6z = 1z
12 + 1z = 15

Solving
12 + 1z = 15

Solving for variable 'z'.

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

Add '-12' to each side of the equation.
12 + -12 + 1z = 15 + -12

Combine like terms: 12 + -12 = 0
0 + 1z = 15 + -12
1z = 15 + -12

Combine like terms: 15 + -12 = 3
1z = 3

Divide each side by '1'.
z = 3

Simplifying
z = 3

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