6-7z=-12-9z

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Solution for 6-7z=-12-9z equation:


Simplifying
6 + -7z = -12 + -9z

Solving
6 + -7z = -12 + -9z

Solving for variable 'z'.

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

Add '9z' to each side of the equation.
6 + -7z + 9z = -12 + -9z + 9z

Combine like terms: -7z + 9z = 2z
6 + 2z = -12 + -9z + 9z

Combine like terms: -9z + 9z = 0
6 + 2z = -12 + 0
6 + 2z = -12

Add '-6' to each side of the equation.
6 + -6 + 2z = -12 + -6

Combine like terms: 6 + -6 = 0
0 + 2z = -12 + -6
2z = -12 + -6

Combine like terms: -12 + -6 = -18
2z = -18

Divide each side by '2'.
z = -9

Simplifying
z = -9

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